Public domain: Introduction events' accounts (5554 / 5554)

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Species Recipient region Date of the first record  
Abra segmentumRussia / Caspian Sea1955
Abudefduf sexfasciatusGreece / Eastern Mediterranean2017
Abudefduf vaigiensisFrance / Western Mediterranean2000
Abudefduf vaigiensisIsrael1997
Abudefduf vaigiensisItaly / Western Mediterranean1957
Acanthogobius flavimanusAustralia / Bass strait1990
Acanthophora nayadiformisFrance / Western MediterraneanTo 1977
Acanthophora nayadiformisGreece / Central Mediterranean1987
Acanthophora nayadiformisGreece / Eastern Mediterranean1861
Acanthophora nayadiformisIsrael1949
Acanthosiphonia echinataItaly / Adriatic Sea2018
Acanthurus chirurgusItaly / Western Mediterranean2012
Acanthurus coeruleusIsrael2014
Acanthurus monroviaePortugal / Iberian Coastal2007
Acanthurus sohalGreece / Eastern Mediterranean2017
Acar plicataIsrael1978
Acartia (Acanthacartia) tonsaBelgium1956
Acartia (Acanthacartia) tonsaBulgaria2000
Acartia (Acanthacartia) tonsaDenmark / Baltic Sea1921 - 1925
Acartia (Acanthacartia) tonsaDenmark / North Sea1921
Acartia (Acanthacartia) tonsaEstonia1924
Acartia (Acanthacartia) tonsaFinland1930
Acartia (Acanthacartia) tonsaFrance / Biscay Gulf1927
Acartia (Acanthacartia) tonsaFrance / English Channel1927
Acartia (Acanthacartia) tonsaFrance / Western Mediterranean1966
Acartia (Acanthacartia) tonsaGeorgia2002
Acartia (Acanthacartia) tonsaGermany / Baltic Sea1981
Acartia (Acanthacartia) tonsaGermany / North Sea1930
Acartia (Acanthacartia) tonsaGreece / Central Mediterranean2005
Acartia (Acanthacartia) tonsaIran / Caspian SeaFrom 1981
Acartia (Acanthacartia) tonsaIreland2019
Acartia (Acanthacartia) tonsaItaly / Adriatic Sea1987 - 1988
Acartia (Acanthacartia) tonsaItaly / Western Mediterranean1986
Acartia (Acanthacartia) tonsaLatvia1924
Acartia (Acanthacartia) tonsaLithuania1920 - 1930
Acartia (Acanthacartia) tonsaNetherlands1913 - 1915
Acartia (Acanthacartia) tonsaNorway / North Sea1980 - 2012
Acartia (Acanthacartia) tonsaPoland1925
Acartia (Acanthacartia) tonsaPortugal / Iberian CoastalTo 1985
Acartia (Acanthacartia) tonsaRussia / Baltic Sea / Kaliningrad area1930 - 1950
Acartia (Acanthacartia) tonsaRussia / Baltic Sea / St. Petersburg area1934
Acartia (Acanthacartia) tonsaSpain / Iberian Coastal2001
Acartia (Acanthacartia) tonsaSweden / Baltic Sea1934
Acartia (Acanthacartia) tonsaSweden / North Sea1920 - 1930
Acartia (Acanthacartia) tonsaTurkey / Black Sea1996
Acartia (Acanthacartia) tonsaUkraine / Black SeaFrom 1976
Acartia (Acanthacartia) tonsaUnited Kingdom (Britain) / English Channel1956
Acartia (Acanthacartia) tonsaUnited Kingdom (Britain) / North Sea1956 - 1986
Acartia (Acartiura) clausiRussia / Caspian Sea1981
Acartia (Acartiura) omoriiFrance / English Channel2004
Acartia (Acartiura) omoriiFrance / North Sea2004
Acartia (Odontacartia) centruraIsrael1968
Acentrogobius pflaumiiAustralia / Bass strait1996
Achelia sawayaiItaly / Central Mediterranean2016
Achnanthes pseudogroenlandicaBulgaria1984
Achnanthes pseudogroenlandicaRomania1984
Achnanthes pseudogroenlandicaUkraine / Black SeaFrom 1984
Acinetospora crinitaAustralia / Bass strait1971
Acipenser baeriiDenmark / Baltic Sea2005
Acipenser baeriiEstonia1962
Acipenser baeriiFinland1960 - 1970
Acipenser baeriiFrance / Biscay Gulf1999
Acipenser baeriiFrance / Celtic seas1999
Acipenser baeriiGermany / Baltic Sea1980 - 1989
Acipenser baeriiGermany / North Sea1980 - 1989
Acipenser baeriiLatvia1962
Acipenser baeriiLithuania1962
Acipenser baeriiNetherlandsTo 1990
Acipenser baeriiPoland1985
Acipenser baeriiRussia / Baltic Sea / Kaliningrad area1960 - 1969
Acipenser baeriiRussia / Baltic Sea / St. Petersburg area1964 - 1967
Acipenser gueldenstaedtiiDenmark / Baltic Sea1995
Acipenser gueldenstaedtiiDenmark / North Sea2010
Acipenser gueldenstaedtiiEstonia1962 - 1969
Acipenser gueldenstaedtiiFinland2000
Acipenser gueldenstaedtiiGermany / Baltic Sea1990 - 1999
Acipenser gueldenstaedtiiLatvia1962
Acipenser gueldenstaedtiiNetherlandsTo 1990
Acipenser gueldenstaedtiiPoland1985
Acipenser gueldenstaedtiiRussia / Baltic Sea / St. Petersburg area1964 - 1966
Acipenser gueldenstaedtiiSweden / Baltic Sea1966
Acipenser ruthenusFinland1958
Acipenser ruthenusLatvia1888
Acipenser ruthenusLithuania1885
Acipenser ruthenusNetherlandsTo 1990
Acipenser ruthenusPoland1937
Acipenser ruthenusRussia / Baltic Sea / Kaliningrad area1885
Acipenser ruthenusRussia / Baltic Sea / St. Petersburg area1763
Acipenser ruthenusSweden / Baltic Sea1887
Acipenser stellatusDenmark / Baltic Sea2010
Acipenser stellatusFinland1999
Acipenser stellatusGermany / Baltic SeaTo 2006
Acipenser transmontanusGermany / North SeaTo 1999
Acorus calamusIndia / Eastern Arabian2005
Acrochaetium catenulatumNetherlands1967
Acrochaetium kyliniiTurkey / Black Sea2000 - 2009
Acrochaetium leptonemaBulgaria2000 - 2009
Acrochaetium leptonemaTurkey / Black Sea2000 - 2009
Acrochaetium mahumetanumRomania1938
Acrochaetium mahumetanumTurkey / Black Sea2000 - 2009
Acrochaetium mediterraneumTurkey / Black Sea2000 - 2009
Acrochaetium microscopicumTurkey / Black Sea2000 - 2009
Acrochaetium moniliformeTurkey / Black Sea2000 - 2009
Acrochaetium pacificumAustralia / Bass strait1981
Acrochaetium rosulatumBulgaria1990 - 1999
Acrochaetium rosulatumTurkey / Black Sea2000 - 2009
Acrochaetium subpinnatumTurkey / Black Sea2000 - 2009
Acromegalomma claparedeiItaly / Adriatic Sea1987
Acrothamnion preissiiFrance / Western Mediterranean1981
Acrothamnion preissiiItaly / Adriatic Sea2007
Acrothamnion preissiiItaly / Central Mediterranean1996
Acrothamnion preissiiItaly / Western Mediterranean1969
Acrothrix gracilisFrance / Western Mediterranean1993
Actaea savignyiiIsrael2010
Actaeodes tomentosusGreece / Eastern Mediterranean2013
Acteocina mucronataGreece / Eastern Mediterranean1991
Acteocina mucronataIsrael1986
Adelosina carinatastriataFrance / Biscay GulfTo 2007
Aeolidiella indicaItaly / Western Mediterranean1968
Aequorea macrodactylaIsrael2013
Aerococcus viridansIreland1961
Aerococcus viridansUnited Kingdom (Britain) / Celtic seas1985
Aeromonas salmonicida salmonicidaNorway / Barents Sea1986
Aeromonas salmonicida salmonicidaNorway / North Sea1986
Aeromonas salmonicida salmonicidaNorway / Norwegian Sea1986
Aetea anguinaAustralia / Bass strait1887
Aetea anguinaSpain / Canary IslandsTo 2003
Aetea ligulataSpain / Canary IslandsTo 2003
Aetea longicollisSpain / Canary IslandsTo 2003
Aetea sicaSpain / Canary IslandsTo 2003
Aetea truncataSpain / Canary IslandsTo 2003
Afrocardium richardiIsrael1997
Afropinnotheres monodiPortugal / Iberian CoastalTo 2019
Afropinnotheres monodiSpain / Iberian Coastal1995
Agardhiella subulataFrance / Western Mediterranean1984
Agardhiella subulataItaly / Adriatic Sea2003
Agardhiella subulataItaly / Central Mediterranean1987
Agardhiella subulataItaly / Western Mediterranean2007
Agardhiella subulataNetherlands1998
Aglaothamnion cordatumPortugal / Azores2005 - 2007
Aglaothamnion feldmanniaeFrance / Western Mediterranean1979
Aglaothamnion feldmanniaeItaly / Adriatic Sea2003
Aglaothamnion feldmanniaeItaly / Western Mediterranean1975
Aglaothamnion feldmanniaeUnited Kingdom (Britain) / English Channel 
Aglaothamnion halliaeDenmark / Baltic Sea2003
Aglaothamnion halliaeDenmark / North Sea2003
Aglaothamnion halliaeGermany / North Sea1960
Aglaothamnion halliaeItaly / Adriatic Sea2016
Aglaothamnion halliaeNorway / North Sea1980 - 1989
Aglaothamnion halliaeSweden / North Sea2003
Ahnfeltiopsis flabelliformisFrance / Western Mediterranean1995
Ahnfeltiopsis furcellataTurkey / Black Sea1990 - 1999
Aiptasia diaphanaPortugal / Madeira1994
Aiptasia pulchellaFrance / Biscay Gulf1973
Aiptasia pulchellaFrance / Celtic seas1974
Akashiwo sanguineaDenmark / Baltic Sea1983
Akashiwo sanguineaDenmark / North Sea1982
Alectryonella plicatulaIsrael2005
Alepes djedabaGreece / Central Mediterranean1987
Alepes djedabaGreece / Eastern Mediterranean1960
Alepes djedabaIsrael1924 - 1925
Alexandrium acatenellaUkraine / Black SeaFrom 2001
Alexandrium affineFrance / Biscay Gulf1987
Alexandrium affineFrance / English Channel1988
Alexandrium affineUkraine / Black SeaFrom 2001
Alexandrium catenellaAustralia / Bass strait1988
Alexandrium catenellaFrance / Western MediterraneanTo 1998
Alexandrium leeiDenmark / Baltic Sea2006
Alexandrium leeiDenmark / North Sea2006
Alexandrium leeiFrance / Biscay Gulf1993
Alexandrium leeiFrance / Celtic seas1995
Alexandrium leeiFrance / English Channel1993
Alexandrium leeiNetherlands1991
Alexandrium margalefiiDenmark / Baltic Sea2006
Alexandrium margalefiiDenmark / North Sea2006
Alexandrium minutumBulgaria2008
Alexandrium minutumDenmark / Baltic Sea1992
Alexandrium minutumDenmark / North Sea1998
Alexandrium minutumFrance / Biscay Gulf1985
Alexandrium minutumFrance / Celtic seas1985
Alexandrium minutumFrance / English ChannelTo 1988
Alexandrium minutumFrance / North Sea1990
Alexandrium minutumFrance / Western Mediterranean1988
Alexandrium minutumGermany / Baltic SeaTo 1993
Alexandrium minutumGermany / North Sea1990 - 1999
Alexandrium minutumNetherlandsTo 1992
Alexandrium minutumRussia / Black Sea2000
Alexandrium minutumSweden / North SeaTo 1996
Alexandrium minutumTurkey / Black Sea2002 - 2003
Alexandrium monilatumBulgaria1991
Alexandrium monilatumUkraine / Black Sea2001
Alexandrium ostenfeldiiDenmark / Baltic Sea1986
Alexandrium ostenfeldiiDenmark / North Sea1986
Alexandrium ostenfeldiiNetherlandsTo 2018
Alexandrium ostenfeldiiPoland2001
Alexandrium ostenfeldiiRussia / Black Sea2004
Alexandrium pseudogonyaulaxDenmark / Baltic Sea2007
Alexandrium pseudogonyaulaxDenmark / North Sea2007
Alexandrium pseudogonyaulaxGermany / Baltic SeaTo 2010
Alexandrium pseudogonyaulaxUkraine / Black SeaFrom 2002
Alexandrium tamarenseAustralia / Bass strait1993
Alexandrium tamarenseBulgaria2008
Alexandrium tamarenseDenmark / Baltic Sea1983
Alexandrium tamarenseDenmark / North Sea1983
Alexandrium tamarenseFaroe IslandsTo 2003
Alexandrium tamarenseFrance / Western MediterraneanTo 1998
Alexandrium tamarenseGermany / North SeaTo 1972
Alexandrium tamarenseIrelandTo 1986
Alexandrium tamarenseNetherlands1989
Alexandrium tamarenseNorway / North SeaTo 2001
Alexandrium tamarenseRomania2004
Alexandrium tamarenseRussia / Black Sea2004
Alexandrium tamarenseTurkey / Black Sea2007 - 2008
Alexandrium tamarenseUkraine / Black SeaFrom 2001
Alexandrium tayloriiFrance / Biscay Gulf1994
Alexandrium tayloriiFrance / Celtic seas1994
Aliculastrum cylindricumIsrael2002
Alitta succineaAustralia / Bass strait1978
Alitta succineaDenmark / Baltic Sea1940
Alitta succineaDenmark / North Sea1940
Alitta succineaGermany / Baltic SeaTo 2016
Alitta succineaUnited Kingdom (Britain) / North Sea1959
Alitta virensGermany / Baltic Sea1920
Alitta virensGermany / North Sea1923
Alitta virensNetherlands1903
Alitta virensUnited Kingdom (Britain) / Celtic seas1800 - 1900
Alitta virensUnited Kingdom (Britain) / English Channel1800 - 1900
Alitta virensUnited Kingdom (Britain) / North Sea1800 - 1900
Alkmaria romijniDenmark / Baltic Sea1975
Alkmaria romijniDenmark / North Sea1929
Alkmaria romijniGermany / Baltic SeaTo 1925
Alkmaria romijniNetherlands1919
Alkmaria romijniNorway / North SeaTo 1997
Alkmaria romijniRussia / Baltic Sea / Kaliningrad area1996
Alkmaria romijniSweden / Baltic Sea1960 - 1972
Alloeocarpa loculosaPortugal / AzoresTo 1971
Allolepidapedon fistulariaItaly / Western Mediterranean2005
Allolepidapedon fistulariaeIsrael2007
Alpheus dentipesBulgaria1966
Alpheus edwardsiiIsrael1951
Alpheus lobidensIsrael1951
Alpheus migransIsrael1977
Alpheus rapacidaGreece / Eastern Mediterranean1998
Alpheus rapacidaIsrael1960
Alveinus miliaceusIsrael2016
Amathia distansAustralia / Bass straitTo 1999
Amathia gracilisGermany / Baltic Sea1990 - 1999
Amathia gracilisGermany / North Sea1990 - 1999
Amathia gracilisNetherlandsTo 1969
Amathia gracilisUnited Kingdom (Britain) / Celtic seas / Channel Islands1960 - 1969
Amathia gracilisUnited Kingdom (Britain) / English Channel2002
Amathia gracilisUnited Kingdom (Britain) / North SeaTo 1996
Amathia imbricataGermany / Baltic SeaTo 2015
Amathia imbricataGermany / North SeaTo 2015
Amathia verticillataFrance / Western Mediterranean2015
Amathia verticillataGreece / Central Mediterranean1980
Amathia verticillataGreece / Eastern Mediterranean1969
Amathia verticillataIsrael1960
Amathia verticillataItaly / Adriatic SeaTo 1867
Amathia verticillataItaly / Central Mediterranean1952
Amathia verticillataItaly / Western MediterraneanTo 1822
Amathia verticillataPortugal / Azores2009
Amathia verticillataPortugal / Madeira2008
Amathia verticillataSpain / Canary IslandsTo 2011
Amathia verticillataSpain / Iberian CoastalTo 2011
Amathia verticillataTaiwan / South China Sea2015
Amathina tricarinataIsrael2004
Ameira divagans divagansGermany / Baltic Sea1970
Ameira divagans divagansSweden / North Sea 
Ammonia confertitestaFrance / Biscay Gulf2019
Ammonia confertitestaFrance / English Channel2019
Ammonia tepidaFrance / Biscay Gulf1970
Ammonia tepidaFrance / Celtic seas1970
Ammonia tepidaFrance / English Channel1970
Ammonia tepidaFrance / North Sea1970
Ammothea hilgendorfiBelgium2013
Ammothea hilgendorfiFrance / Biscay Gulf2019
Ammothea hilgendorfiFrance / Western Mediterranean2019
Ammothea hilgendorfiItaly / Adriatic Sea1979
Ammothea hilgendorfiNetherlands2013
Ammothea hilgendorfiUnited Kingdom (Britain) / English Channel1978
Ampelisca cavicoxaSpain / Iberian Coastal2005
Ampelisca heterodactylaPortugal / Iberian CoastalTo 1986
Ampelisca heterodactylaSpain / Iberian Coastal1993
Amphiascus tenuiremisUkraine / Black SeaFrom 1996
Amphibalanus amphitriteBelgiumTo 1952
Amphibalanus amphitriteFrance / Biscay Gulf1914
Amphibalanus amphitriteFrance / English Channel1928
Amphibalanus amphitriteFrance / North Sea1982
Amphibalanus amphitriteFrance / Western Mediterranean1973
Amphibalanus amphitriteGermany / North SeaTo 2002
Amphibalanus amphitriteNetherlands1962
Amphibalanus amphitritePortugal / AzoresTo 1889
Amphibalanus amphitritePortugal / Iberian Coastal1982
Amphibalanus amphitritePortugal / Madeira2005
Amphibalanus amphitriteRomania1844
Amphibalanus amphitriteSpain / Iberian CoastalTo 2016
Amphibalanus amphitriteUkraine / Black Sea1905
Amphibalanus eburneusBulgaria1933
Amphibalanus eburneusFrance / Biscay Gulf1872
Amphibalanus eburneusFrance / Celtic seas1940
Amphibalanus eburneusFrance / Western Mediterranean1973
Amphibalanus eburneusGreece / Eastern Mediterranean1970
Amphibalanus eburneusIran / Caspian Sea2014
Amphibalanus eburneusItaly / Adriatic SeaFrom 1864
Amphibalanus eburneusItaly / Central MediterraneanTo 1864
Amphibalanus eburneusItaly / Western MediterraneanFrom 1864
Amphibalanus eburneusJapan / Sea of Japan1960 - 1969
Amphibalanus eburneusKorea, Republic of / Sea of JapanTo 1992
Amphibalanus eburneusNetherlands1890 - 1899
Amphibalanus eburneusPortugal / AzoresTo 1998
Amphibalanus eburneusRussia / Caspian Sea1956
Amphibalanus eburneusSpain / Iberian CoastalTo 2016
Amphibalanus eburneusTurkey / Black Sea1968
Amphibalanus eburneusUkraine / Black SeaFrom 1892
Amphibalanus improvisusBelgiumTo 1700
Amphibalanus improvisusBulgaria1844
Amphibalanus improvisusDenmark / Baltic Sea1880
Amphibalanus improvisusDenmark / North Sea1880
Amphibalanus improvisusEstonia1801 - 1850
Amphibalanus improvisusFinland1801 - 1860
Amphibalanus improvisusFrance / Biscay GulfTo 1901
Amphibalanus improvisusFrance / Celtic seas1872
Amphibalanus improvisusFrance / English ChannelTo 1900
Amphibalanus improvisusGeorgia1978 - 1982
Amphibalanus improvisusGermany / Baltic Sea1867
Amphibalanus improvisusGermany / North Sea1858
Amphibalanus improvisusIrelandTo 1950
Amphibalanus improvisusItaly / Adriatic SeaTo 1951
Amphibalanus improvisusItaly / Central MediterraneanTo 1942
Amphibalanus improvisusItaly / Western Mediterranean1979
Amphibalanus improvisusLatvia1801 - 1889
Amphibalanus improvisusLithuania1844
Amphibalanus improvisusNetherlands1827
Amphibalanus improvisusNorway / North Sea1800 - 1809
Amphibalanus improvisusNorway / Norwegian Sea1800 - 1809
Amphibalanus improvisusPoland1844
Amphibalanus improvisusPortugal / Azores1887
Amphibalanus improvisusPortugal / Iberian Coastal1974
Amphibalanus improvisusRomania1844
Amphibalanus improvisusRussia / Baltic Sea / Kaliningrad area1801 - 1889
Amphibalanus improvisusRussia / Baltic Sea / St. Petersburg area1934
Amphibalanus improvisusSpain / Iberian Coastal1900
Amphibalanus improvisusSweden / Baltic Sea1844 - 1899
Amphibalanus improvisusSweden / North Sea1844 - 1919
Amphibalanus improvisusTurkey / Black Sea2005
Amphibalanus improvisusUkraine / Azov SeaFrom 1844
Amphibalanus improvisusUkraine / Black SeaFrom 1844
Amphibalanus improvisusUnited Kingdom (Britain) / Celtic seas1854
Amphibalanus improvisusUnited Kingdom (Britain) / North Sea1500 - 1854
Amphibalanus reticulatusBelgium1997
Amphibalanus reticulatusFrance / English Channel2001
Amphibalanus reticulatusFrance / North Sea2001
Amphibalanus reticulatusFrance / Western Mediterranean1977
Amphibalanus reticulatusIsrael2003
Amphibalanus variegatusBelgium1997
Amphibalanus variegatusFrance / English Channel1997
Amphibalanus variegatusFrance / North Sea1997
Amphicorina pectinataSpain / Iberian CoastalTo 2017
Amphioctopus aeginaIsrael1934
Amphiroa rigidaTurkey / Black Sea1990 - 1999
Amphisbetia operculataAustralia / Bass strait1884
Amphisorus hemprichiiItaly / Central Mediterranean2005
Amphistegina lessoniiItaly / Central Mediterranean2005
Amphistegina lobiferaGreece / Central Mediterranean1955 - 1961
Amphistegina lobiferaGreece / Eastern Mediterranean1955 - 1961
Amphistegina lobiferaItaly / Central Mediterranean2005
Amphiura parviscutataAustralia / Bass strait1966
Amphogona pusillaItaly / Western Mediterranean1972
Amphorellopsis acutaRussia / Black Sea2010
Amphorellopsis acutaUkraine / Black Sea2011
Ampithoe validaFrance / Biscay Gulf2014
Ampithoe validaGermany / North Sea2023
Ampithoe validaNetherlandsTo 2013
Ampithoe validaPortugal / Iberian Coastal1993
Anadara diluviiSpain / Iberian Coastal1996
Anadara inaequivalvisBulgaria1982
Anadara inaequivalvisGeorgia1978
Anadara inaequivalvisRomania1984
Anadara inaequivalvisRussia / Azov Sea1989
Anadara inaequivalvisRussia / Black Sea1980 - 1990
Anadara inaequivalvisTurkey / Black Sea1980 - 1990
Anadara inaequivalvisUkraine / Azov SeaFrom 1987
Anadara inaequivalvisUkraine / Black SeaFrom 1987
Anadara kagoshimensisItaly / Adriatic Sea1969
Anadara kagoshimensisSpain / Iberian Coastal1993 - 1994
Anadara kagoshimensisTurkey / Black Sea2003
Anadara natalensisIsrael1935
Anadara transversaGreece / Eastern Mediterranean1993
Anadara transversaItaly / Adriatic Sea1970 - 1980
Anadara transversaItaly / Central Mediterranean2007
Anadara transversaItaly / Western Mediterranean2005
Angiola punctostriataIsrael1950
Anguillicoloides crassusBelgiumTo 1989
Anguillicoloides crassusDenmark / Baltic Sea1987 - 1989
Anguillicoloides crassusDenmark / North SeaTo 1985
Anguillicoloides crassusEstonia1989
Anguillicoloides crassusFinland2002
Anguillicoloides crassusFrance / Biscay Gulf1980
Anguillicoloides crassusFrance / English Channel1980
Anguillicoloides crassusFrance / North Sea1980
Anguillicoloides crassusGermany / Baltic Sea1960 - 1987
Anguillicoloides crassusGermany / North Sea1982
Anguillicoloides crassusIreland1998
Anguillicoloides crassusItaly / Adriatic Sea1997
Anguillicoloides crassusItaly / Western Mediterranean2001 - 2011
Anguillicoloides crassusLatvia1998
Anguillicoloides crassusLithuania1998
Anguillicoloides crassusNetherlandsTo 1985
Anguillicoloides crassusNorway / North Sea1994
Anguillicoloides crassusPoland1988
Anguillicoloides crassusPortugal / Iberian Coastal1992
Anguillicoloides crassusRussia / Baltic Sea / Kaliningrad area1988
Anguillicoloides crassusSweden / Baltic Sea1987
Anguillicoloides crassusSweden / North Sea1989
Anguillicoloides crassusUnited Kingdom (Britain) / English ChannelFrom 1987
Anguillicoloides crassusUnited Kingdom (Britain) / North Sea1987
Anomia chinensisFrance / Biscay Gulf1971
Anomia chinensisFrance / Celtic seas1974
Anomia ephippiumNetherlands1935
Anoplodactylus californicusIsrael1951
Anoplodactylus californicusItaly / Western Mediterranean1965
Anoplodactylus digitatusIsrael1951
Anotrichium furcellatumFrance / Celtic seas1922
Anotrichium furcellatumFrance / English ChannelTo 1922
Anotrichium furcellatumGreece / Eastern Mediterranean1971 - 1973
Anotrichium furcellatumIsrael1958
Anotrichium furcellatumNetherlands1950
Anotrichium furcellatumPortugal / Azores2005 - 2007
Anotrichium furcellatumPortugal / Iberian CoastalTo 1960
Anotrichium furcellatumPortugal / Madeira1970
Anotrichium furcellatumSpain / Canary IslandsTo 2004
Anotrichium furcellatumSpain / Iberian Coastal1979
Antennella secundariaAustralia / Bass strait1910
Anthopleura anjunaeSpain / Iberian CoastalTo 2016
Anthopleura elegantissimaSpain / Iberian CoastalTo 2016
Antithamnion amphigeneumFrance / Western MediterraneanTo 1998
Antithamnion amphigeneumItaly / Central Mediterranean2005
Antithamnion amphigeneumItaly / Western Mediterranean1996
Antithamnion amphigeneumPortugal / Iberian CoastalTo 2004
Antithamnion amphigeneumSpain / Iberian Coastal1995
Antithamnion densumFrance / Biscay Gulf1964
Antithamnion densumFrance / Celtic seas1964
Antithamnion densumFrance / English Channel1964
Antithamnion densumFrance / North Sea1981
Antithamnion densumIreland1991
Antithamnion densumPortugal / Azores2005
Antithamnion densumPortugal / Iberian Coastal2004
Antithamnion densumSpain / Canary IslandsTo 2006
Antithamnion densumSpain / Iberian Coastal1984 - 1995
Antithamnion diminuatumPortugal / Azores1989
Antithamnion diminuatumSpain / Canary IslandsTo 1996
Antithamnion hubbsiiFrance / Biscay Gulf2011
Antithamnion hubbsiiFrance / English Channel2018
Antithamnion hubbsiiFrance / Western Mediterranean1988
Antithamnion hubbsiiNorway / North SeaTo 2007
Antithamnion nipponicumItaly / Adriatic Sea1994
Antithamnion nipponicumNorway / North Sea2007
Antithamnion nipponicumPortugal / Azores1989
Antithamnion nipponicumPortugal / Iberian CoastalFrom 2008
Antithamnion nipponicumUnited Kingdom (Britain) / North Sea / Orkney Islands2020
Antithamnion pectinatumFrance / Western Mediterranean1983
Antithamnion pectinatumPortugal / AzoresTo 1994
Antithamnion pectinatumPortugal / Iberian CoastalTo 2008
Antithamnionella boergeseniiFrance / Western Mediterranean1995
Antithamnionella boergeseniiItaly / Central Mediterranean1991 - 1992
Antithamnionella boergeseniiPortugal / Azores2005 - 2007
Antithamnionella boergeseniiPortugal / MadeiraFrom 2001
Antithamnionella elegansGreece / Central Mediterranean1975
Antithamnionella elegansGreece / Eastern Mediterranean2007
Antithamnionella elegansItaly / Adriatic Sea1980 - 1984
Antithamnionella elegansItaly / Central Mediterranean1970 - 1971
Antithamnionella elegansItaly / Western Mediterranean1822
Antithamnionella elegans var. sublittoralisItaly / Central Mediterranean1980
Antithamnionella spirographidisAustralia / Bass strait1976
Antithamnionella spirographidisBelgium1992
Antithamnionella spirographidisFrance / Biscay Gulf1975
Antithamnionella spirographidisFrance / Celtic seas1911
Antithamnionella spirographidisFrance / English Channel1927
Antithamnionella spirographidisFrance / Western Mediterranean2004
Antithamnionella spirographidisGermany / North Sea2012
Antithamnionella spirographidisGreece / Central Mediterranean1983
Antithamnionella spirographidisGreece / Eastern Mediterranean1992
Antithamnionella spirographidisIreland1969
Antithamnionella spirographidisItaly / Adriatic Sea1995
Antithamnionella spirographidisNetherlands1974
Antithamnionella spirographidisPortugal / Iberian Coastal2003 - 2008
Antithamnionella spirographidisPortugal / MadeiraTo 1974
Antithamnionella spirographidisSpain / Iberian Coastal1927
Antithamnionella spirographidisUnited Kingdom (Britain) / English ChannelTo 1911
Antithamnionella ternifoliaAustralia / Bass strait1977
Antithamnionella ternifoliaBelgium1970
Antithamnionella ternifoliaDenmark / Baltic Sea2014
Antithamnionella ternifoliaFrance / Biscay Gulf1969
Antithamnionella ternifoliaFrance / Celtic seas1910
Antithamnionella ternifoliaFrance / English Channel1910
Antithamnionella ternifoliaFrance / Western Mediterranean1981
Antithamnionella ternifoliaGermany / Baltic Sea2014
Antithamnionella ternifoliaGermany / North Sea1958
Antithamnionella ternifoliaIreland1930
Antithamnionella ternifoliaNetherlands1951
Antithamnionella ternifoliaNew Zealand / New Zealand Shelf / North IslandTo 1972
Antithamnionella ternifoliaNew Zealand / New Zealand Shelf / South IslandTo 1904
Antithamnionella ternifoliaPortugal / Azores1987
Antithamnionella ternifoliaPortugal / Iberian Coastal1958
Antithamnionella ternifoliaSpain / Iberian Coastal1920 - 1929
Antithamnionella ternifoliaUnited Kingdom (Britain) / English ChannelTo 1906
Antithamnionella ternifoliaUnited Kingdom (Britain) / North SeaTo 1999
Aoroides curvipesFrance / Biscay Gulf2009
Aoroides longimerusFrance / Biscay Gulf2013
Aoroides longimerusFrance / Celtic seas2014
Aoroides longimerusFrance / English Channel2014
Aoroides longimerusFrance / Western MediterraneanFrom 2015
Aoroides secundusFrance / Biscay GulfTo 2010
Aoroides semicurvatusFrance / Biscay Gulf2009
Aoroides semicurvatusFrance / English Channel2019
Aoroides semicurvatusNetherlands2017
Apedinella radiansBulgaria1987
Apedinella radiansRomania1991
Apedinella radiansUkraine / Black SeaFrom 1999
Aphanius disparIsrael1944
Aphelochaeta marioniDenmark / Baltic Sea1991
Aphelochaeta marioniDenmark / North Sea1984
Aphelochaeta marioniFrance / English Channel2001
Aphelochaeta marioniGermany / North Sea1938
Aphelochaeta marioniNetherlandsTo 1951
Aphelochaeta marioniUnited Kingdom (Britain) / North Sea / Orkney Islands1997
Aplidium accarenseItaly / Central Mediterranean2018
Aplidium accarenseItaly / Western MediterraneanTo 2015
Aplidium glabrumBelgiumTo 2018
Aplidium glabrumGermany / North Sea1992
Aplidium glabrumIreland2010
Aplidium glabrumNetherlandsTo 1977
Aplidium glabrumPortugal / Madeira2013
Aplidium pallidumItaly / Western Mediterranean1913
Aplysia dactylomelaGreece / Central Mediterranean2005
Aplysia dactylomelaGreece / Eastern Mediterranean2005
Aplysia dactylomelaPortugal / MadeiraFrom 1987
Aplysilla roseaAustralia / Bass strait1981
Aplysiopsis formosaAustralia / Bass strait1994
Apoglossum gregariumFrance / Western MediterraneanTo 1996
Apoglossum gregariumItaly / Central Mediterranean1999
Apoglossum gregariumItaly / Western Mediterranean1992
Apogonichthyoides pharaonisGreece / Eastern Mediterranean1982
Apogonichthyoides pharaonisIsrael1947
Aporrhais pespelecaniGeorgia1960
Aporrhais pespelecaniTurkey / Black Sea1896
Aporrhais pespelecaniUkraine / Black SeaFrom 1987
Apseudopsis tridensItaly / Adriatic Sea2019
Aquilonastra burtoniIsrael1955
Arachnidium lacourtiGermany / Baltic SeaTo 2015
Arachnidium lacourtiGermany / North Sea2014
Arachnidium lacourtiNetherlandsTo 2005
Arachnoidea protectaItaly / Western Mediterranean1992
Arbopercula tenellaIsrael2012
Arbopercula tenellaItaly / Central Mediterranean1990
Arbopercula tenellaItaly / Western MediterraneanTo 2011
Arcania brevifronsIsrael2016
Archesola typhlopsUkraine / Black Sea2007
Arcuatula perfragilisIsrael1960
Arcuatula senhousiaAustralia / Bass strait1980 - 1989
Arcuatula senhousiaFrance / Biscay Gulf1971
Arcuatula senhousiaFrance / Celtic seasTo 2008
Arcuatula senhousiaFrance / North Sea2018
Arcuatula senhousiaFrance / Western Mediterranean1982
Arcuatula senhousiaIsrael1960
Arcuatula senhousiaItaly / Adriatic Sea1994
Arcuatula senhousiaItaly / Central Mediterranean2001
Arcuatula senhousiaItaly / Western Mediterranean1999
Arcuatula senhousiaRomania2002
Arcuatula senhousiaSpain / Iberian CoastalTo 2012
Argopecten irradiansChina / Yellow Sea1982
Argopecten irradiansKorea, Democratic Peoples Republic of / Sea of JapanTo 2013
Argopecten irradiansKorea, Republic of / Sea of JapanTo 2013
Aricidea hartmaniCanada / Hudson Bay ComplexTo 2010
Arietellus pavoninusGreece / Eastern Mediterranean1967
Arnoglossus nigrofilamentosusIsrael2017
Artemia franciscanaFrance / Biscay Gulf1800 - 1899
Artemia franciscanaItaly / Adriatic Sea2004
Artemia franciscanaPortugal / Iberian CoastalTo 1980
Artemia franciscanaPortugal / Madeira1997
Artemia franciscanaSpain / Iberian CoastalTo 2002
Ascidia cannelataIsrael1955
Ascidia interruptaPortugal / AzoresTo 1992
Ascidiella aspersaAustralia / Bass straitTo 1985
Ascidiella aspersaCanada / South-eastern Scotian Shelf2012
Ascidiella aspersaGreece / Eastern Mediterranean1901
Ascidiella aspersaIceland2018
Ascidiella aspersaPortugal / Madeira2015
Ascidiella aspersaUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Ascidiella scabraIceland2020
Ascidiella scabraUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Ascophyllum nodosumItaly / Central Mediterranean2009
Ashtoret lunarisIsrael1987
Asparagopsis armataFrance / Biscay Gulf1925
Asparagopsis armataFrance / Celtic seas1922
Asparagopsis armataFrance / English Channel1999
Asparagopsis armataFrance / Western Mediterranean1926
Asparagopsis armataGreece / Central Mediterranean2010
Asparagopsis armataGreece / Eastern Mediterranean2010
Asparagopsis armataIreland1939
Asparagopsis armataItaly / Adriatic SeaTo 1978
Asparagopsis armataItaly / Central MediterraneanTo 1972
Asparagopsis armataItaly / Western MediterraneanTo 1955
Asparagopsis armataNetherlandsTo 1983
Asparagopsis armataPortugal / Azores1989
Asparagopsis armataPortugal / Iberian Coastal1951
Asparagopsis armataPortugal / MadeiraTo 1974
Asparagopsis armataSpain / Canary IslandsTo 1980
Asparagopsis armataSpain / Iberian Coastal1933
Asparagopsis armataTurkey / Black Sea1973
Asparagopsis armataUnited Kingdom (Britain) / Celtic seas / Channel Islands1949
Asparagopsis armataUnited Kingdom (Britain) / English Channel1949 - 1950
Asparagopsis armataUnited Kingdom (Britain) / North Sea1973
Asparagopsis armataUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 1960
Asparagopsis taxiformisFrance / Western MediterraneanTo 2006
Asparagopsis taxiformisPortugal / Azores1929
Asparagopsis taxiformisPortugal / Iberian CoastalTo 2000
Asparagopsis taxiformisPortugal / Madeira1970
Asparagopsis taxiformis lineage 2Greece / Adriatic Sea2013
Asparagopsis taxiformis lineage 2Greece / Central Mediterranean2006
Asparagopsis taxiformis lineage 2Greece / Eastern Mediterranean1992
Asparagopsis taxiformis lineage 2Italy / Central Mediterranean1992
Asparagopsis taxiformis lineage 2Italy / Western Mediterranean1993
Asperococcus ensiformisAustralia / Bass strait1976
Asperococcus scaberNetherlands1998
Aspidosiphon mexicanusGreece / Central Mediterranean1994
Aspidosiphon mexicanusGreece / Eastern Mediterranean1991
Asterias amurensisAustralia / Bass strait1995
Asterias rubensTurkey / Black Sea2003
Asterionellopsis glacialisNetherlandsTo 2018
Asterionellopsis glacialisRomania1968
Asterionellopsis glacialisRussia / Black Sea1998
Asterionellopsis glacialisUkraine / Black SeaFrom 1967
Asterocarpa humilisFrance / Biscay GulfTo 2013
Asterocarpa humilisFrance / English Channel2005
Asterocarpa humilisUnited Kingdom (Britain) / Celtic seas2013
Asterocarpa humilisUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Asteromphalus sarcophagusFrance / Biscay GulfTo 2003
Asteromphalus sarcophagusFrance / Celtic seas2003
Asteromphalus sarcophagusFrance / English Channel2001
Asthenognathus atlanticusFrance / English Channel2008
Asthenognathus atlanticusNetherlands2019
Atelecyclus undecimdentatusGermany / North Sea2024
Atergatis roseusGreece / Eastern Mediterranean2009
Atergatis roseusIsrael1961
Atherina boyeriNetherlandsTo 1964
Atherina boyeriUnited Kingdom (Britain) / Celtic seas1956
Atherinomorus forskaliiGreece / Central Mediterranean2012
Atherinomorus forskaliiGreece / Eastern Mediterranean1986
Atherinomorus forskaliiIsrael1924
Atrina rigidaUnited Kingdom (Britain) / English Channel1986
Attheya armataUnited Kingdom (Britain) / Celtic seas2000
Attheya decoraUkraine / Black Sea2000
Atyaephyra desmarestiBelgiumTo 1895
Atyaephyra desmarestiGermany / North Sea1932
Atys angustatusIsrael1974
Aurelia auritaRussia / Caspian Sea1999
Aurelia coeruleaFrance / Western Mediterranean2002
Aurelia coeruleaItaly / Adriatic Sea2011
Aurelia coeruleaItaly / Western MediterraneanTo 2016
Aurelia solidaFrance / Western Mediterranean2002
Aurelia solidaItaly / Adriatic Sea2005 - 2010
Aurelia solidaItaly / Central Mediterranean2013
Auriculinella bidentataGermany / North Sea1997
Austrominius modestusBelgium1950
Austrominius modestusDenmark / North Sea1978
Austrominius modestusFrance / Biscay Gulf1953
Austrominius modestusFrance / Celtic seas1953
Austrominius modestusFrance / English Channel1953
Austrominius modestusFrance / North Sea1950
Austrominius modestusFrance / Western Mediterranean1990 - 1999
Austrominius modestusGermany / North Sea1953
Austrominius modestusIreland1957
Austrominius modestusNetherlands1946
Austrominius modestusPortugal / Iberian CoastalFrom 1956
Austrominius modestusPortugal / MadeiraTo 2005
Austrominius modestusSpain / Iberian CoastalTo 2006
Austrominius modestusSweden / North Sea 
Austrominius modestusUnited Kingdom (Britain) / English Channel1940 - 1945
Austrominius modestusUnited Kingdom (Britain) / North SeaFrom 1945
Austrominius modestusUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2017
Autonoe spiniventrisSpain / Iberian CoastalTo 2005
Axionice medusaGreece / Central Mediterranean1980
Axionice medusaGreece / Eastern Mediterranean1975
Axionice medusaItaly / Central Mediterranean1985
Azadinium spinosumBulgaria2005
Azolla carolinianaUkraine / Black Sea1970 - 1979
Azolla filiculoidesIrelandFrom 1907
Azolla filiculoidesUkraine / Black Sea1970 - 1979
Babka gymnotrachelusPoland2021
Bacteriastrum hyalinumBulgaria1907
Bacteriastrum hyalinumDenmark / Baltic Sea1983
Bacteriastrum hyalinumDenmark / North Sea1983
Bacteriastrum hyalinumRomania1907
Bacteriastrum hyalinumUkraine / Black SeaFrom 1907
Balanus amphitriteAustralia / Bass straitTo 1999
Balanus amphitriteBelgium1952
Balanus amphitriteFrance / Biscay Gulf1914
Balanus amphitriteFrance / Celtic seas1914
Balanus amphitriteGermany / North Sea2002
Balanus amphitriteIrelandTo 1986
Balanus amphitriteNetherlands1962
Balanus amphitritePortugal / Iberian CoastalTo 1854
Balanus amphitriteSpain / Iberian Coastal1934
Balanus amphitriteSweden / North Sea 
Balanus amphitriteUkraine / Black SeaFrom 1905
Balanus amphitriteUnited Kingdom (Britain) / English ChannelFrom 1937
Balanus glandulaBelgium2015
Balanus trigonusBelgium1997
Balanus trigonusFrance / Biscay Gulf2007
Balanus trigonusFrance / Celtic seasTo 2007
Balanus trigonusFrance / English Channel2007
Balanus trigonusGreece / Eastern Mediterranean1970
Balanus trigonusItaly / Adriatic Sea1964
Balanus trigonusItaly / Central MediterraneanTo 1927
Balanus trigonusItaly / Western MediterraneanTo 1962
Balanus trigonusPortugal / AzoresTo 1887
Balanus trigonusPortugal / Iberian CoastalTo 2013
Balanus trigonusPortugal / MadeiraTo 1916
Balanus trigonusSpain / Iberian CoastalTo 2007
Balanus trigonusUnited Kingdom (Britain) / English Channel1986
Bangia atropurpureaAustralia / Bass strait1971
Bankia carinataGreece / Eastern Mediterranean2008 - 2013
Bankia fimbriatulaIreland1847
Barentsia benedeniGermany / Baltic Sea2016 - 2021
Barentsia benedeniGermany / North Sea2021
Barentsia benedeniRussia / Caspian Sea1962
Barentsia matsushimanaGermany / North Sea2021
Barentsia ramosaNetherlands2003
Beania maxilladentataPortugal / MadeiraTo 2013
Beania mirabilisSpain / Canary IslandsTo 2003
Bedeva paivaePortugal / MadeiraTo 1994
Bedeva paivaeSpain / Canary IslandsTo 2003
Bellamya chinensisNetherlands2009
Belzebub hanseniIsrael2008
Bemlos leptocheirusGreece / Eastern Mediterranean2015
Bemlos leptocheirusIsrael2009
Beroe cucumisTurkey / Black SeaFrom 1992
Beroe ovataBulgaria1997
Beroe ovataDenmark / Baltic Sea2011
Beroe ovataDenmark / North Sea2013
Beroe ovataGeorgia1996
Beroe ovataGreece / Eastern Mediterranean2004
Beroe ovataIsrael2011
Beroe ovataItaly / Adriatic Sea2005
Beroe ovataRomania1996
Beroe ovataRussia / Black Sea1999
Beroe ovataSweden / North Sea2019
Beroe ovataTurkey / Black Sea1996
Beroe ovataUkraine / Azov SeaFrom 1997
Beroe ovataUkraine / Black SeaFrom 1997
Berthellina citrinaIsrael1956
Beryx splendensFrance / Western Mediterranean1992
Biflustra grandicellaNetherlands2016
Bispira fabriciiFrance / English Channel2010
Bispira polyommaFrance / Celtic seas2017
Bispira polyommaItaly / Adriatic Sea2014
Bispira polyommaNetherlandsTo 2010
Biuve fulvipunctataIsrael1986
Biuve fulvipunctataItaly / Central Mediterranean2015
Bivetiella cancellataSpain / Iberian Coastal1999
Blackfordia virginicaBulgaria1925
Blackfordia virginicaFrance / Biscay Gulf1953
Blackfordia virginicaFrance / Celtic seas1971
Blackfordia virginicaFrance / English Channel1973
Blackfordia virginicaGermany / Baltic Sea2014
Blackfordia virginicaIran / Caspian SeaFrom 1956
Blackfordia virginicaNetherlands2014
Blackfordia virginicaPortugal / Iberian Coastal1984
Blackfordia virginicaRomania1940
Blackfordia virginicaRussia / Azov Sea1930
Blackfordia virginicaSpain / Iberian CoastalTo 2008
Blackfordia virginicaUkraine / Black Sea1960 - 1969
Boccardia polybranchiaFrance / Biscay Gulf1900
Boccardia polybranchiaFrance / Celtic seas2004
Boccardia polybranchiaFrance / English Channel1893
Boccardia polybranchiaFrance / North Sea1893
Boccardia proboscideaAustralia / Bass strait1978
Boccardia proboscideaBelgiumTo 2011
Boccardia proboscideaFrance / Biscay Gulf2013
Boccardia proboscideaFrance / English Channel1999
Boccardia proboscideaFrance / North Sea2014
Boccardia proboscideaGermany / North Sea2008
Boccardia proboscideaNetherlands2013
Boccardia proboscideaSpain / Iberian Coastal1996
Boccardia proboscideaUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Boccardia pseudonatrixFrance / English Channel2018
Boccardia semibranchiataFrance / Biscay Gulf1999
Boccardia semibranchiataFrance / Celtic seas1999
Boccardia semibranchiataFrance / English Channel1999
Boccardia semibranchiataFrance / North Sea1999
Boccardia semibranchiataSpain / Iberian CoastalTo 2003
Boccardiella hamataBelgiumTo 2018
Boccardiella hamataFrance / English Channel2018
Boccardiella hamataGermany / North Sea2021
Boccardiella hamataNetherlandsTo 2013
Boccardiella ligericaBelgium1962
Boccardiella ligericaFinland1960 - 1969
Boccardiella ligericaFrance / English ChannelTo 1960
Boccardiella ligericaFrance / North SeaTo 1960
Boccardiella ligericaGermany / Baltic Sea1932
Boccardiella ligericaGermany / North SeaTo 2000
Boccardiella ligericaLatvia2014
Boccardiella ligericaNetherlandsTo 1919
Boccardiella ligericaPoland2017
Boccardiella ligericaSweden / Baltic Sea2013
Bolinopsis vitreaBulgaria2010
Bolinopsis vitreaTurkey / Black Sea2007
Bonamia exitiosaFrance / English Channel1981
Bonamia exitiosaSpain / Iberian Coastal2007
Bonamia ostreaeBelgiumFrom 1979
Bonamia ostreaeDenmark / Baltic Sea2014
Bonamia ostreaeDenmark / North Sea2014
Bonamia ostreaeFrance / Biscay Gulf1979
Bonamia ostreaeFrance / Celtic seas1979
Bonamia ostreaeFrance / North Sea1981
Bonamia ostreaeFrance / Western Mediterranean1987
Bonamia ostreaeIrelandTo 1986
Bonamia ostreaeNetherlands1980
Bonamia ostreaeSpain / Iberian Coastal1982
Bonamia ostreaeUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 1982
Bonamia ostreaeUnited Kingdom (Britain) / English Channel1982
Bonamia ostreaeUnited Kingdom (Britain) / North Sea1982 - 1983
Boninia neotethydisIsrael1998
Bonnemaisonia asparagoidesTurkey / Black Sea1990 - 1999
Bonnemaisonia hamiferaBelgiumTo 1999
Bonnemaisonia hamiferaDenmark / Baltic Sea1900
Bonnemaisonia hamiferaDenmark / North Sea1900
Bonnemaisonia hamiferaFaroe Islands1980
Bonnemaisonia hamiferaFrance / Biscay Gulf1996
Bonnemaisonia hamiferaFrance / Celtic seas1898
Bonnemaisonia hamiferaFrance / English Channel1901
Bonnemaisonia hamiferaGermany / North Sea1890 - 1899
Bonnemaisonia hamiferaIceland1978
Bonnemaisonia hamiferaIreland1911
Bonnemaisonia hamiferaItaly / Adriatic Sea1995
Bonnemaisonia hamiferaItaly / Central Mediterranean1973
Bonnemaisonia hamiferaNetherlandsTo 1983
Bonnemaisonia hamiferaNorway / Barents Sea1902
Bonnemaisonia hamiferaNorway / North Sea1902
Bonnemaisonia hamiferaNorway / Norwegian Sea1902
Bonnemaisonia hamiferaPortugal / Azores1989
Bonnemaisonia hamiferaPortugal / Iberian Coastal2003 - 2008
Bonnemaisonia hamiferaSpain / Canary IslandsTo 1980
Bonnemaisonia hamiferaSpain / Iberian CoastalTo 2006
Bonnemaisonia hamiferaSweden / North Sea1902
Bonnemaisonia hamiferaUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 1890
Bonnemaisonia hamiferaUnited Kingdom (Britain) / English ChannelFrom 1890
Bonnemaisonia hamiferaUnited Kingdom (Britain) / North Sea1893 - 1986
Bonnemaisonia hamiferaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1960
Botrylloides ancepsIsrael1991
Botrylloides diegensisFrance / Biscay Gulf2007
Botrylloides diegensisFrance / English Channel1999
Botrylloides diegensisFrance / Western Mediterranean2012
Botrylloides diegensisItaly / Adriatic Sea2015
Botrylloides giganteusItaly / Central Mediterranean2003
Botrylloides leachiiAustralia / Bass strait1901
Botrylloides leachiiPortugal / Madeira1993
Botrylloides leachiiSpain / Canary IslandsTo 2003
Botrylloides leachiiUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Botrylloides nigerIsrael1952
Botrylloides nigerPortugal / Madeira2013
Botrylloides violaceusBelgium2004
Botrylloides violaceusCanada / Bay of Fundy2009
Botrylloides violaceusCanada / Northern Gulf of St. Lawrence2014
Botrylloides violaceusCanada / Northern Newfoundland2007
Botrylloides violaceusCanada / South-eastern Scotian Shelf2001
Botrylloides violaceusCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2004
Botrylloides violaceusCanada / Southern Newfoundland and Southern Grand Banks2007
Botrylloides violaceusFrance / Biscay GulfTo 2000
Botrylloides violaceusFrance / English Channel2000
Botrylloides violaceusFrance / North Sea2004
Botrylloides violaceusGermany / North Sea2011
Botrylloides violaceusIceland2018
Botrylloides violaceusIreland2005
Botrylloides violaceusItaly / Adriatic Sea1993
Botrylloides violaceusNetherlands2000
Botrylloides violaceusPortugal / Iberian CoastalFrom 2009
Botrylloides violaceusPortugal / Madeira2007
Botrylloides violaceusSpain / Iberian CoastalTo 2016
Botrylloides violaceusUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 2004
Botrylloides violaceusUnited Kingdom (Britain) / English Channel2004
Botrylloides violaceusUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2012
Botryllus gaiaeItaly / Adriatic Sea2013
Botryllus gaiaeItaly / Central Mediterranean2013
Botryllus gaiaeItaly / Western Mediterranean2006
Botryllus schlosseriAustralia / Bass strait1977
Botryllus schlosseriCanada / Bay of Fundy1970 - 1979
Botryllus schlosseriCanada / Northern Gulf of St. Lawrence1975
Botryllus schlosseriCanada / Northern Newfoundland2007
Botryllus schlosseriCanada / South-eastern Scotian Shelf1950 - 1959
Botryllus schlosseriCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2001
Botryllus schlosseriCanada / Southern Newfoundland and Southern Grand Banks1940 - 1949
Botryllus schlosseriGermany / Baltic SeaTo 2015
Botryllus schlosseriGermany / North SeaTo 2016
Botryllus schlosseriGreece / Eastern Mediterranean1955
Botryllus schlosseriIceland2011
Botryllus schlosseriItaly / Adriatic SeaTo 2004
Botryllus schlosseriItaly / Central MediterraneanTo 2011
Botryllus schlosseriItaly / Western MediterraneanTo 2005
Botryllus schlosseriPortugal / AzoresTo 1971
Botryllus schlosseriPortugal / Iberian CoastalTo 1970
Botryllus schlosseriPortugal / MadeiraTo 2006
Botryllus schlosseriSpain / Canary IslandsTo 2003
Botryllus schlosseriUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Botryocladia madagascariensisGreece / Central Mediterranean2009
Botryocladia madagascariensisGreece / Eastern Mediterranean2006
Botryocladia madagascariensisIsrael2014
Botryocladia madagascariensisItaly / Adriatic Sea1997
Botryocladia madagascariensisItaly / Central Mediterranean1991
Botryocladia wrightiiFrance / Biscay Gulf2010
Botryocladia wrightiiFrance / English Channel2019
Botryocladia wrightiiFrance / Western Mediterranean1978
Botrytella micromoraAustralia / Bass strait1970
Botrytella parvaItaly / Adriatic Sea1996
Botrytella sp.Netherlands1919
Bougainvillia maclovianaGermany / North Sea1895
Bougainvillia maclovianaPortugal / AzoresTo 1989
Bougainvillia megasBulgaria1933
Bougainvillia megasIran / Caspian SeaFrom 1956
Bougainvillia megasRussia / Azov Sea1950
Bougainvillia megasUkraine / Black SeaFrom 1960
Bougainvillia muscusAustralia / Bass strait1971
Bougainvillia muscusIceland1902
Bougainvillia rugosaSweden / North Sea 
Brachidontes exustusIreland1977
Brachidontes exustusUnited Kingdom (Britain) / Celtic seas1977
Brachidontes pharaonisFrance / Western Mediterranean1989
Brachidontes pharaonisGreece / Eastern Mediterranean1975
Brachidontes pharaonisIsrael1935
Brachidontes pharaonisItaly / Central Mediterranean1969
Brachidontes pharaonisItaly / Western Mediterranean1998
Brachynotus sexdentatusFrance / Biscay Gulf1997
Brachynotus sexdentatusFrance / English ChannelTo 1963
Branchiodrilus hortensisBelgiumTo 2010
Branchiodrilus hortensisNetherlandsTo 2002
Branchiomma bairdiGreece / Eastern Mediterranean2014
Branchiomma bairdiItaly / Central Mediterranean2016
Branchiomma bairdiItaly / Western Mediterranean2015
Branchiomma bairdiPortugal / Madeira2013
Branchiomma bairdiSpain / Canary Islands2012
Branchiomma boholenseIsrael1927
Branchiomma boholenseItaly / Adriatic Sea2011 - 2012
Branchiomma boholenseItaly / Central Mediterranean2007
Branchiomma boholenseItaly / Western Mediterranean2004
Branchiomma bombyxNetherlands1973
Branchiomma luctuosumFrance / Western Mediterranean2022
Branchiomma luctuosumGreece / Eastern Mediterranean1989
Branchiomma luctuosumItaly / Central Mediterranean1998 - 1999
Branchiomma luctuosumItaly / Western Mediterranean1978 - 1979
Branchiomma luctuosumSpain / Spain2017 - 2018
Branchiura sowerbyiBelgiumTo 1931
Branchiura sowerbyiGermany / Baltic SeaTo 1959
Branchiura sowerbyiGermany / North Sea1961
Branchiura sowerbyiPoland1976
Branchiura sowerbyiPortugal / Azores2008
Brania arminiiSpain / Iberian CoastalTo 1998
Bregmaceros nectabanusGreece / Central Mediterranean2016
Bregmaceros nectabanusGreece / Eastern Mediterranean2014
Bregmaceros nectabanusIsrael2004
Bregmaceros nectabanusItaly / Adriatic Sea2019
Bryopsis pennataIsrael1961
Bryopsis plumosaAustralia / Bass strait1966
Bugula avirostrisSpain / Canary IslandsTo 2003
Bugula neritinaAustralia / Bass strait1881
Bugula neritinaBelgium1999
Bugula neritinaFrance / Biscay Gulf2001
Bugula neritinaFrance / Celtic seas1966
Bugula neritinaFrance / English Channel2002
Bugula neritinaFrance / North Sea1973
Bugula neritinaFrance / Western Mediterranean1900
Bugula neritinaGermany / North Sea2010
Bugula neritinaIrelandTo 2006
Bugula neritinaNetherlands2007
Bugula neritinaPortugal / Azores2001
Bugula neritinaPortugal / Iberian Coastal2004
Bugula neritinaPortugal / MadeiraTo 2012
Bugula neritinaSpain / Canary IslandsTo 2003
Bugula neritinaSpain / Iberian Coastal2003
Bugula neritinaUnited Kingdom (Britain) / Celtic seasTo 1912
Bugula neritinaUnited Kingdom (Britain) / English ChannelTo 1912
Bugulina calathusAustralia / Bass strait1978
Bugulina flabellataAustralia / Bass strait1982
Bugulina flabellataNew Zealand / New Zealand Shelf / North IslandTo 1949
Bugulina flabellataNew Zealand / New Zealand Shelf / South IslandTo 1949
Bugulina fulvaGreece / Eastern Mediterranean1996
Bugulina fulvaIreland2012
Bugulina fulvaPortugal / Iberian Coastal1960
Bugulina fulvaPortugal / Madeira2013
Bugulina fulvaSpain / Canary IslandsTo 2003
Bugulina fulvaUnited Kingdom (Britain) / North Sea / Orkney Islands2012
Bugulina simplexAustralia / Bass strait1982
Bugulina simplexBelgium2000
Bugulina simplexFrance / Biscay Gulf1994
Bugulina simplexFrance / English Channel2002
Bugulina simplexFrance / North Sea2000
Bugulina simplexIreland2011
Bugulina simplexNetherlands2000
Bugulina simplexPortugal / AzoresTo 1998
Bugulina simplexPortugal / Madeira2013
Bugulina simplexUnited Kingdom (Britain) / Celtic seas1957
Bugulina simplexUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Bugulina stoloniferaAustralia / Bass strait1880 - 1889
Bugulina stoloniferaBelgium1999
Bugulina stoloniferaFrance / Biscay GulfTo 1994
Bugulina stoloniferaFrance / English Channel1970
Bugulina stoloniferaFrance / North Sea1970
Bugulina stoloniferaFrance / Western Mediterranean2002
Bugulina stoloniferaGermany / North SeaTo 1987
Bugulina stoloniferaNetherlands1993
Bugulina stoloniferaPortugal / AzoresTo 1998
Bugulina stoloniferaPortugal / Iberian Coastal2004
Bugulina stoloniferaPortugal / MadeiraTo 2010
Bugulina stoloniferaSpain / Canary IslandsTo 2003
Bugulina stoloniferaUnited Kingdom (Britain) / Celtic seas1950 - 1959
Bugulina stoloniferaUnited Kingdom (Britain) / English Channel1950 - 1959
Bugulina stoloniferaUnited Kingdom (Britain) / North SeaTo 2005
Bulinus truncatusSpain / Iberian Coastal1999
Bulla arabicaGreece / Eastern Mediterranean1998
Bulla arabicaIsrael1978
Bursatella leachiiFrance / Western Mediterranean2023
Bursatella leachiiGreece / Central Mediterranean2003
Bursatella leachiiGreece / Eastern Mediterranean1975
Bursatella leachiiItaly / Adriatic Sea1981
Bursatella leachiiItaly / Central Mediterranean1968 - 1973
Bursatella leachiiItaly / Western Mediterranean1975 - 1976
Bythocaris cosmetopsFrance / Biscay Gulf2002
Bythocaris cosmetopsFrance / Celtic seas2002
Calanopia ellipticaGreece / Eastern Mediterranean1988
Calanopia ellipticaIsrael1963
Calanopia ellipticaItaly / Western MediterraneanTo 1892
Calanus euxinusRussia / Caspian Sea2004
Calappa peliiGreece / Central Mediterranean2005
Calappa peliiGreece / Eastern Mediterranean2005
Caligus pagetiIreland1986
Calliblepharis rammediorumIsrael2013
Callinectes danaeItaly / Adriatic Sea1981
Callinectes sapidusBelgium1981
Callinectes sapidusBulgaria1967
Callinectes sapidusDenmark / Baltic Sea1951
Callinectes sapidusDenmark / North Sea1951
Callinectes sapidusFrance / Biscay Gulf1901
Callinectes sapidusFrance / Celtic seas1901
Callinectes sapidusFrance / Western MediterraneanTo 1962
Callinectes sapidusGeorgia1975
Callinectes sapidusGermany / Baltic Sea2023
Callinectes sapidusGermany / North Sea1964
Callinectes sapidusGreece / Adriatic Sea2013
Callinectes sapidusGreece / Central Mediterranean1990 - 1999
Callinectes sapidusGreece / Eastern Mediterranean1947
Callinectes sapidusIsrael1955
Callinectes sapidusItaly / Adriatic Sea1949
Callinectes sapidusItaly / Central Mediterranean1970
Callinectes sapidusItaly / Western Mediterranean1962
Callinectes sapidusNetherlands1932
Callinectes sapidusPoland2018
Callinectes sapidusPortugal / Iberian Coastal1978
Callinectes sapidusRomania1998
Callinectes sapidusRussia / Azov Sea1967
Callinectes sapidusRussia / Black Sea1970 - 1979
Callinectes sapidusSpain / Iberian Coastal2004
Callinectes sapidusTurkey / Black SeaFrom 1974
Callinectes sapidusUkraine / Azov Sea1970 - 1979
Callinectes sapidusUkraine / Black Sea1970 - 1979
Callinectes sapidusUnited Kingdom (Britain) / North Sea1982
Callionymus filamentosusGreece / Central Mediterranean2016
Callionymus filamentosusGreece / Eastern Mediterranean2003
Callionymus filamentosusIsrael1953
Calliostoma zizyphinumNetherlands2001
Callyspongia (Callyspongia) siphonellaSpain / Iberian CoastalTo 2016
Callyspongia pergamentaceaAustralia / Bass strait1895
Calocalanus plumulosusRomania1978
Caloria indicaIsrael1986
Calyptospadix ceruleaGermany / North Sea2021
Calyptraea chinensisFrance / English ChannelTo 1977
Calyptraea chinensisFrance / North SeaTo 1976
Calyptraea chinensisIreland1949 - 1956
Calyptraea chinensisNetherlandsTo 1942
Calyptraea chinensisUnited Kingdom (Britain) / Celtic seas1957
Campanularia morgansiIsrael2009
Canarium mutabileIsrael1991
Cancer irroratusIceland2006
Cancer irroratusSweden / North Sea2019
Caprella equilibraAustralia / Bass strait1885
Caprella muticaBelgium1998
Caprella muticaCanada / Bay of Fundy2002
Caprella muticaCanada / Northern Gulf of St. Lawrence2016
Caprella muticaCanada / Northern Newfoundland2012
Caprella muticaCanada / South-eastern Scotian Shelf2003
Caprella muticaCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1998
Caprella muticaCanada / Southern Newfoundland and Southern Grand Banks2010
Caprella muticaDenmark / Baltic Sea2017
Caprella muticaDenmark / North Sea2005
Caprella muticaFrance / Biscay Gulf2004
Caprella muticaFrance / North Sea2004
Caprella muticaGermany / North Sea2004
Caprella muticaIreland2003
Caprella muticaNetherlands1993
Caprella muticaNorway / North Sea1999
Caprella muticaNorway / Norwegian SeaTo 2012
Caprella muticaSpain / Iberian Coastal2012 - 2013
Caprella muticaSweden / North Sea2011
Caprella muticaUnited Kingdom (Britain) / Celtic seas2000
Caprella muticaUnited Kingdom (Britain) / English Channel2000
Caprella muticaUnited Kingdom (Britain) / North Sea2002
Caprella muticaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2006
Caprella penantisAustralia / Bass strait1975
Caprella scauraAustralia / Bass strait1971
Caprella scauraFrance / Western Mediterranean2014
Caprella scauraGreece / Central Mediterranean2002
Caprella scauraGreece / Eastern Mediterranean2012
Caprella scauraItaly / Adriatic Sea1994
Caprella scauraItaly / Central Mediterranean1989 - 1990
Caprella scauraItaly / Western Mediterranean2003 - 2004
Caprella scauraNetherlandsTo 2016
Caprella scauraPortugal / Azores2015
Caprella scauraPortugal / Iberian CoastalTo 1985
Caprella scauraPortugal / MadeiraTo 2014
Caprella scauraSpain / Canary Islands2009
Caprella scauraSpain / Iberian CoastalTo 2011
Carassius auratusDenmark / Baltic Sea1990
Carassius auratusDenmark / North Sea2012
Carassius gibelioEstonia1948
Carassius gibelioFinland2001 - 2005
Carassius gibelioLatvia1948
Carassius gibelioLithuania1601 - 1700
Carassius gibelioPoland1930 - 1933
Carassius gibelioRussia / Baltic Sea / St. Petersburg area2005
Carassius gibelioSweden / Baltic Sea1800 - 1997
Carbosphaerella leptosphaerioidesUkraine / Black Sea1991
Carcinus maenasAustralia / Bass strait1802 - 1851
Carcinus maenasCanada / Bay of Fundy1951
Carcinus maenasCanada / Northern Gulf of St. Lawrence2008
Carcinus maenasCanada / South-eastern Scotian Shelf1954
Carcinus maenasCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1994
Carcinus maenasCanada / Southern Newfoundland and Southern Grand Banks2007
Carpobrotus acinaciformisSpain / Iberian CoastalTo 1900
Carupa tenuipesGreece / Eastern Mediterranean2009
Carupa tenuipesIsrael2002
Cassiopea andromedaGreece / Central Mediterranean2018
Cassiopea andromedaGreece / Eastern Mediterranean1942
Cassiopea andromedaIsrael1988
Cassiopea andromedaItaly / Western Mediterranean2014
Catostomus catostomusFinland1980 - 1984
Catostomus catostomusRussia / Baltic Sea / St. Petersburg area1980 - 1984
Caulacanthus okamuraeItaly / Adriatic Sea2018 - 2020
Caulacanthus okamuraeItaly / Central Mediterranean2018
Caulacanthus okamuraeNetherlands2018
Caulacanthus ustulatusBelgiumTo 2011
Caulacanthus ustulatusFrance / Biscay Gulf2005
Caulacanthus ustulatusFrance / Celtic seas1986
Caulacanthus ustulatusFrance / English Channel1986
Caulacanthus ustulatusNetherlandsTo 2018
Caulacanthus ustulatusPortugal / Azores1897
Caulacanthus ustulatusUnited Kingdom (Britain) / English Channel2004
Caulerpa cylindraceaFrance / Western Mediterranean1997
Caulerpa cylindraceaGreece / Adriatic Sea2013
Caulerpa cylindraceaGreece / Central Mediterranean1993
Caulerpa cylindraceaGreece / Eastern Mediterranean1996
Caulerpa cylindraceaItaly / Adriatic Sea2000
Caulerpa cylindraceaItaly / Central Mediterranean1993
Caulerpa cylindraceaItaly / Western Mediterranean1994
Caulerpa cylindraceaSpain / Canary IslandsTo 1989
Caulerpa denticulataIsrael1929
Caulerpa mexicanaIsrael1939
Caulerpa racemosa var. lamourouxii f. requieniiGreece / Central Mediterranean2009
Caulerpa racemosa var. lamourouxii f. requieniiGreece / Eastern Mediterranean1956
Caulerpa racemosa var. lamourouxii f. requieniiIsrael1951
Caulerpa taxifoliaFrance / Western Mediterranean1984 - 1987
Caulerpa taxifoliaItaly / Central Mediterranean1993
Caulerpa taxifoliaItaly / Western Mediterranean1992
Caulerpa taxifolia var. distichophyllaGreece / Eastern Mediterranean2010
Caulerpa taxifolia var. distichophyllaIsrael2019
Caulerpa taxifolia var. distichophyllaItaly / Central Mediterranean2008
Caulerpa taxifolia var. distichophyllaItaly / Western Mediterranean2012
Caulerpa webbianaPortugal / Azores2002
Caulerpa webbianaPortugal / MadeiraFrom 1974
Caulibugula arcasounensisFrance / Biscay Gulf2001
Caulibugula zanzibariensisFrance / Biscay GulfTo 2003
Cellana rotaIsrael1961
Celleporaria albirostrisAustralia / Bass strait1888
Celleporaria apertaIsrael1968
Celleporaria brunneaFrance / Biscay Gulf2007
Celleporaria brunneaFrance / Western MediterraneanFrom 2015
Celleporaria brunneaGreece / Eastern Mediterranean2015
Celleporaria brunneaItaly / Central Mediterranean2010 - 2011
Celleporaria brunneaItaly / Western Mediterranean2010 - 2011
Celleporaria brunneaPortugal / Iberian Coastal2012
Celleporaria inauditaPortugal / Madeira2014
Celleporaria vermiformisGreece / Eastern Mediterranean2015
Celleporella carolinensisItaly / Adriatic Sea1993
Celleporella hyalinaAustralia / Bass strait1889
Celtodoryx ciocalyptoidesFrance / Biscay Gulf1990 - 1999
Celtodoryx ciocalyptoidesFrance / Celtic seas1996
Celtodoryx ciocalyptoidesFrance / North SeaFrom 2014
Celtodoryx ciocalyptoidesNetherlandsTo 2002
Centroceras clavulatumAustralia / Bass strait1971
Centroceras clavulatumFrance / Biscay Gulf2014
Centroceras clavulatumFrance / English Channel2017
Centropages furcatusGreece / Eastern Mediterranean1988
Cephalothrix simulaNetherlandsTo 2012
Cephalothrix simulaSpain / Iberian CoastalTo 2013
Ceramium botryocarpumNetherlands2011
Ceramium cimbricumGermany / North SeaTo 2010
Ceramium cimbricumNetherlandsTo 2009
Ceramium cingulatumPortugal / Azores2005 - 2007
Ceramium circinatumGermany / North Sea2015
Ceramium graecumGreece / Eastern Mediterranean1990
Ceramium strobiliformeItaly / Adriatic Sea1997
Ceramium strobiliformeItaly / Western Mediterranean1991
Ceramium sungminbooiNetherlandsTo 2014
Ceramium tenuicorneNetherlands2011
Ceramium virgatumAustralia / Bass strait1981
Cerastoderma eduleIceland1948
Ceratonereis mirabilisIsrael1974
Cercopagis (Cercopagis) pengoiEstonia1992
Cercopagis (Cercopagis) pengoiFinland1992
Cercopagis (Cercopagis) pengoiGermany / Baltic Sea2004
Cercopagis (Cercopagis) pengoiLatvia1992
Cercopagis (Cercopagis) pengoiLithuania1999
Cercopagis (Cercopagis) pengoiPoland1999
Cercopagis (Cercopagis) pengoiRussia / Baltic Sea / Kaliningrad area1999
Cercopagis (Cercopagis) pengoiRussia / Baltic Sea / St. Petersburg area1995
Cercopagis (Cercopagis) pengoiSweden / Baltic Sea1995
Cereus pedunculatusGermany / North Sea1921
Cerithidium diplaxIsrael1961
Cerithidium perparvulumGreece / Eastern Mediterranean2010
Cerithidium perparvulumIsrael2004
Cerithiopsis pulvisGreece / Eastern Mediterranean2010
Cerithiopsis pulvisIsrael1978
Cerithiopsis tenthrenoisGreece / Eastern Mediterranean1994
Cerithiopsis tenthrenoisIsrael1982
Cerithium columnaIsrael1966
Cerithium egenumIsrael1971
Cerithium nesioticumIsrael1971
Cerithium scabridumGreece / Eastern Mediterranean2007
Cerithium scabridumIsrael1891
Cerithium scabridumItaly / Adriatic Sea2005 - 2007
Cerithium scabridumItaly / Central Mediterranean1976
Cerithium scabridumItaly / Western Mediterranean1999
Chaetoceros aequatorialisBulgaria2011
Chaetoceros aequatorialisRussia / Black Sea2004
Chaetoceros circinalisDenmark / Baltic Sea2001
Chaetoceros circinalisDenmark / North Sea2006
Chaetoceros concavicornisDenmark / Baltic Sea2011
Chaetoceros concavicornisDenmark / North Sea2011
Chaetoceros diversus var. papilionisGeorgia2000
Chaetoceros diversus var. papilionisUkraine / Black SeaFrom 1999
Chaetoceros lorenzianusGermany / Baltic Sea2009
Chaetoceros lorenzianusLithuania2005
Chaetoceros lorenzianusPoland2003
Chaetoceros peruvianusDenmark / Baltic Sea1981
Chaetoceros peruvianusDenmark / North Sea1981
Chaetoceros peruvianusFrance / Biscay Gulf1964
Chaetoceros peruvianusFrance / Celtic seas2003
Chaetoceros peruvianusFrance / English Channel1993
Chaetoceros peruvianusGermany / Baltic SeaTo 2010
Chaetoceros peruvianusSweden / Baltic SeaFrom 2007
Chaetoceros peruvianusSweden / North Sea2007
Chaetoceros rostratusFrance / Celtic seas2003
Chaetoceros rostratusFrance / English Channel2003
Chaetoceros throndseniiRussia / Black Sea2005
Chaetoceros tortissimusRussia / Black Sea2000
Chaetoceros tortissimusTurkey / Black Sea1995 - 1996
Chaetoceros tortissimusUkraine / Black SeaFrom 2001
Chaetodipterus faberGreece / Eastern Mediterranean2019
Chaetodon aurigaItaly / Western Mediterranean2015
Chaetodon austriacusIsrael2011
Chaetodon larvatusIsrael2011
Chaetogammarus ischnusGermany / Baltic SeaTo 2016
Chaetogammarus ischnusGermany / North Sea1989
Chaetogammarus ischnusLithuania1960
Chaetogammarus ischnusNetherlandsTo 1991
Chaetogammarus ischnusPoland1928
Chaetogammarus warpachowskyiLatvia1966
Chaetogammarus warpachowskyiLithuania1960
Chaetogammarus warpachowskyiRussia / Baltic Sea / Kaliningrad area1962
Chaetomorpha aereaAustralia / Bass strait1971
Chaetomorpha capillarisAustralia / Bass strait1983
Chaetomorpha linumAustralia / Bass strait1981
Chaetopleura angulataPortugal / Iberian CoastalTo 1916
Chaetopleura angulataSpain / Iberian CoastalTo 1850
Chaetozone coronaGreece / Central Mediterranean1982
Chaetozone coronaGreece / Eastern Mediterranean1989
Chaetozone coronaItaly / Adriatic Sea2006
Chaetozone coronaItaly / Central Mediterranean2018
Chaetozone coronaItaly / Western Mediterranean2014 - 2016
Chalinula loosanoffiGermany / North SeaTo 1993
Chalinula loosanoffiNetherlandsTo 1880
Chalinula loosanoffiUnited Kingdom (Britain) / English ChannelFrom 1970
Chalinula loosanoffiUnited Kingdom (Britain) / North SeaFrom 1970
Chama asperellaGreece / Eastern Mediterranean2007
Chama asperellaIsrael2002
Chama gryphoidesSpain / Iberian Coastal2003
Chama pacificaGreece / Eastern Mediterranean2005
Chama pacificaIsrael1988
Chama sp.Ireland1989
Champsodon nudivittisGreece / Eastern Mediterranean2012
Champsodon nudivittisIsrael2011
Chara connivensEstonia1930 - 1959
Chara connivensFinland2004
Chara connivensGermany / Baltic Sea1858
Chara connivensLatvia1920 - 1924
Chara connivensPoland1900 - 1907
Chara connivensSweden / Baltic Sea1930 - 1950
Charybdis (Charybdis) feriataItaly / Western Mediterranean2015
Charybdis (Charybdis) helleriiGreece / Eastern Mediterranean2004
Charybdis (Charybdis) helleriiIsrael1925
Charybdis (Charybdis) japonicaItaly / Adriatic Sea2006
Charybdis (Charybdis) luciferaItaly / Adriatic Sea2006
Charybdis (Goniohellenus) longicollisGreece / Eastern Mediterranean1996
Charybdis (Goniohellenus) longicollisIsrael1961
Chattonella marinaGermany / North Sea1974
Chattonella marinaNetherlandsTo 1991
Chattonella marina var. antiquaNetherlandsTo 1991
Cheilodipterus novemstriatusIsrael2010
Cheilopogon cyanopterusFrance / Biscay Gulf2005
Chelicorophium curvispinumBelgium1990
Chelicorophium curvispinumEstonia2005
Chelicorophium curvispinumFrance / Celtic seas1993
Chelicorophium curvispinumFrance / English Channel2006
Chelicorophium curvispinumFrance / North Sea2006
Chelicorophium curvispinumGermany / Baltic Sea1932
Chelicorophium curvispinumGermany / North Sea1912
Chelicorophium curvispinumIrelandTo 2000
Chelicorophium curvispinumLithuania1921 - 1929
Chelicorophium curvispinumNetherlands1987
Chelicorophium curvispinumPoland1900 - 1928
Chelicorophium curvispinumRussia / Baltic Sea / Kaliningrad area1921 - 1925
Chelicorophium curvispinumRussia / Baltic Sea / St. Petersburg area2006
Chelicorophium robustumGermany / Baltic SeaTo 2024
Chelicorophium robustumGermany / North Sea2003
Chelicorophium robustumPoland2018
Chelon haematocheilusTurkey / Black SeaFrom 1989
Chelon haematocheilusUkraine / Azov Sea1972 - 1996
Chelon haematocheilusUkraine / Black Sea1972 - 1996
Chelon labrosusUkraine / Black SeaFrom 1983
Cherax destructorSpain / Iberian CoastalTo 1983
Chionoecetes opilioNorway / Barents SeaTo 2003
Chionoecetes opilioRussia / Barents Sea1996
Chiton cumingsiiSpain / Canary IslandsTo 2013
Chlorurus rhakouraItaly / Central Mediterranean2017
Chondracanthus sp.France / Biscay Gulf2009
Chondria arcuataAustralia / Bass strait1975
Chondria coerulescensFrance / Western Mediterranean1993
Chondria coerulescensGreece / Central Mediterranean1975
Chondria coerulescensGreece / Eastern Mediterranean1982
Chondria coerulescensPortugal / Azores2005 - 2007
Chondria collinsianaGreece / Eastern Mediterranean1980
Chondria curvilineataFrance / Western Mediterranean1981
Chondria curvilineataIsrael2013
Chondria curvilineataItaly / Central Mediterranean2015
Chondria polyrhizaItaly / Central Mediterranean1992
Chondria pygmaeaItaly / Adriatic Sea1998
Chondria pygmaeaItaly / Central Mediterranean1991
Chondria pygmaeaItaly / Western Mediterranean1995
Chondrus giganteusFrance / Western Mediterranean1993
Chondrus giganteus f. flabellatusFrance / Western Mediterranean1993
Chorda filumFrance / Western Mediterranean1981
Chorizopora brongniartiiIceland2015
Chorizopora brongniartiiSpain / Canary IslandsTo 2003
Chromodoris quadricolorFrance / Western Mediterranean2014
Chromodoris quadricolorItaly / Western Mediterranean1982
Chrysaora hysoscellaTurkey / Black Sea2009
Chrysaora pseudoocellataIsrael2019
Chrysonephos lewisiiItaly / Western Mediterranean1992
Chrysymenia ventricosaTurkey / Black Sea1990 - 1999
Chrysymenia wrightiiFrance / English Channel2013
Cinachyrella allocladaPortugal / AzoresTo 1989
Cingulina isseliIsrael1980
Ciona intestinalisAustralia / Bass strait1958
Ciona intestinalisCanada / Bay of Fundy1850 - 1859
Ciona intestinalisCanada / South-eastern Scotian Shelf1997
Ciona intestinalisCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2004
Ciona intestinalisCanada / Southern Newfoundland and Southern Grand Banks2012
Ciona intestinalisFrance / English ChannelTo 2012
Ciona intestinalisIceland2007
Ciona intestinalisPortugal / Madeira1992 - 1993
Ciona robustaFrance / Biscay Gulf1970 - 1979
Ciona robustaGreece / Eastern Mediterranean1901
Ciona robustaIceland2019
Ciona robustaItaly / Adriatic Sea2013
Circenita callipygaIsrael1972
Circulus octoliratusIsrael2018
Cirolana harfordiAustralia / Bass strait1996
Cirrenalia basiminutaUkraine / Black Sea2001
Cirrholovenia tetranemaItaly / Western Mediterranean1963
Cladophora flexuosaTurkey / Black Sea1990 - 1999
Cladophora hutchinsiaeBulgaria1938
Cladophora patentirameaIsrael2014
Cladophora proliferaAustralia / Bass strait1964
Cladophoropsis membranaceaPortugal / Azores1986
Cladosiphon zosteraeFrance / Western Mediterranean1993
Cladostephus spongiosusAustralia / Bass strait1966
Clausocalanus arcuicornisRomania1978
Clausocalanus arcuicornisUkraine / Black SeaFrom 2001
Clavelina dellavalleiPortugal / MadeiraTo 1995
Clavelina lepadiformisPortugal / AzoresTo 1971
Clavelina lepadiformisPortugal / MadeiraTo 1995
Clavelina oblongaFrance / Western MediterraneanFrom 1986
Clavelina oblongaItaly / Central MediterraneanTo 2008
Clavelina oblongaItaly / Western MediterraneanTo 1929
Clavelina oblongaPortugal / AzoresTo 1971
Clavelina oblongaPortugal / Madeira2013
Claviceps purpureaBelgiumTo 2008
Claviceps purpureaGermany / North Sea2001
Claviceps purpureaNetherlands1990 - 1999
Clementia papyraceaGreece / Eastern Mediterranean1985
Clementia papyraceaIsrael1937
Clorida albolituraIsrael2006
Clymenella torquataFrance / English Channel1977
Clymenella torquataGermany / North Sea2021
Clymenella torquataIreland1974 - 1981
Clymenella torquataUnited Kingdom (Britain) / North Sea1936
Clypeomorus bifasciatusIsrael1983
Clytia brevithecataItaly / Adriatic Sea2001
Clytia brevithecataItaly / Central Mediterranean1996
Clytia brevithecataItaly / Western Mediterranean2003
Clytia hemisphaericaAustralia / Bass strait1980
Clytia linearisFrance / Western Mediterranean1949
Clytia linearisGreece / Central Mediterranean1977
Clytia linearisGreece / Eastern Mediterranean1981
Clytia linearisItaly / Adriatic SeaTo 1996
Clytia linearisItaly / Central Mediterranean1991
Clytia linearisItaly / Western Mediterranean1956 - 1959
Clytia mccradyiItaly / Western Mediterranean1961 - 1963
Clytia paulensisAustralia / Bass strait1985
Cocconeis britannicaUkraine / Black SeaFrom 1902
Codium adhaerensSpain / Iberian CoastalTo 2006
Codium arabicumIsrael2007
Codium arabicumPortugal / Iberian Coastal2006
Codium fragileCanada / Northern Newfoundland2013
Codium fragileCanada / South-eastern Scotian Shelf1989
Codium fragileCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1996
Codium fragileCanada / Southern Newfoundland and Southern Grand Banks2012
Codium fragileNorway / North Sea1946
Codium fragileSpain / Canary IslandsTo 2003
Codium fragileSweden / North Sea1932
Codium fragile atlanticumNetherlandsTo 1923
Codium fragile atlanticumNorway / North Sea1895
Codium fragile atlanticumNorway / Norwegian Sea1895
Codium fragile atlanticumPortugal / AzoresTo 1994
Codium fragile scandinavicumNorway / North Sea1929
Codium fragile scandinavicumNorway / Norwegian Sea1929
Codium fragile subsp. fragileAustralia / Bass strait1997
Codium fragile subsp. fragileBelgium1939
Codium fragile subsp. fragileDenmark / Baltic Sea1920
Codium fragile subsp. fragileDenmark / North Sea1920
Codium fragile subsp. fragileFrance / Biscay Gulf1946
Codium fragile subsp. fragileFrance / Celtic seas1946
Codium fragile subsp. fragileFrance / English Channel1940
Codium fragile subsp. fragileFrance / North Sea1940
Codium fragile subsp. fragileFrance / Western Mediterranean1946
Codium fragile subsp. fragileGermany / North Sea1930
Codium fragile subsp. fragileGreece / Central Mediterranean1985
Codium fragile subsp. fragileGreece / Eastern Mediterranean1992
Codium fragile subsp. fragileIceland1974
Codium fragile subsp. fragileIreland1941
Codium fragile subsp. fragileItaly / Adriatic Sea1978
Codium fragile subsp. fragileItaly / Central Mediterranean1973
Codium fragile subsp. fragileItaly / Western Mediterranean1978 - 1987
Codium fragile subsp. fragileNetherlands1900
Codium fragile subsp. fragileNorway / Barents Sea1946
Codium fragile subsp. fragileNorway / North Sea1946
Codium fragile subsp. fragileNorway / Norwegian Sea1946
Codium fragile subsp. fragilePortugal / Azores1993
Codium fragile subsp. fragilePortugal / Iberian Coastal2005
Codium fragile subsp. fragileSpain / Canary IslandsTo 2004
Codium fragile subsp. fragileSpain / Iberian CoastalTo 1957
Codium fragile subsp. fragileTurkey / Black SeaFrom 1983
Codium fragile subsp. fragileUnited Kingdom (Britain) / Celtic seas1891
Codium fragile subsp. fragileUnited Kingdom (Britain) / English Channel1891
Codium fragile subsp. fragileUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 1960
Codium parvulumIsrael2004
Codium pulvinatumIsrael2014
Codium tayloriiIsrael1939
Codium vermilaraPortugal / AzoresTo 1995
Colaconema codicolaFrance / Western Mediterranean1950
Colaconema codicolaItaly / Adriatic Sea1978
Colaconema codicolaItaly / Western MediterraneanTo 1984
Colaconema codicolaTurkey / Black Sea1994
Colaconema dasyaeNetherlands1951
Colaconema garbaryiAustralia / Bass strait1977
Colaconema savianumNetherlands1960 - 1969
Coleusia signataGreece / Eastern Mediterranean2005
Coleusia signataIsrael1953
Colpomenia peregrinaAustralia / Bass strait1971
Colpomenia peregrinaDenmark / Baltic Sea1939
Colpomenia peregrinaDenmark / North Sea1939
Colpomenia peregrinaFrance / Biscay Gulf1905
Colpomenia peregrinaFrance / Celtic seas1905
Colpomenia peregrinaFrance / English Channel1905
Colpomenia peregrinaFrance / North Sea1971
Colpomenia peregrinaFrance / Western Mediterranean1918 - 1957
Colpomenia peregrinaGermany / North Sea2017
Colpomenia peregrinaGreece / Central Mediterranean2001
Colpomenia peregrinaGreece / Eastern Mediterranean1986
Colpomenia peregrinaIrelandTo 1935
Colpomenia peregrinaItaly / Central MediterraneanTo 1975
Colpomenia peregrinaItaly / Western Mediterranean1964
Colpomenia peregrinaNetherlands1921
Colpomenia peregrinaNorway / North Sea1933
Colpomenia peregrinaNorway / Norwegian Sea1933
Colpomenia peregrinaPortugal / AzoresTo 1994
Colpomenia peregrinaPortugal / Iberian Coastal1951
Colpomenia peregrinaSpain / Canary IslandsTo 1978
Colpomenia peregrinaSpain / Iberian CoastalTo 1960
Colpomenia peregrinaSweden / North Sea1950
Colpomenia peregrinaUnited Kingdom (Britain) / Celtic seas1907
Colpomenia peregrinaUnited Kingdom (Britain) / English Channel1907
Colpomenia peregrinaUnited Kingdom (Britain) / North Sea1908 - 1930
Colpomenia peregrinaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1960
Colpomenia sinuosaAustralia / Bass strait1966
Colpomenia sinuosaPortugal / Madeira1870
Conchoderma auritumBelgiumTo 2010
Conchoderma auritumNetherlands1976
Congeria leucophaeta leucophaetaGermany / Baltic SeaTo 2013
Congeria leucophaeta leucophaetaGermany / North Sea1930
Conomurex persicusGreece / Central Mediterranean2001
Conomurex persicusGreece / Eastern Mediterranean1983
Conomurex persicusIsrael1983
Conopeum reticulumAustralia / Bass strait1879
Conopeum seuratiRussia / Caspian Sea1958
Conopeum seuratiUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Conradia eutorniscaIsrael1989
Conus arenatus arenatusIsrael1937
Conus fumigatusIsrael2016
Coolia monotisGreece / Eastern Mediterranean2002
Corambe obscuraBulgaria1986
Corambe obscuraFrance / Biscay Gulf1973
Corambe obscuraFrance / Celtic seas1973
Corambe obscuraGermany / North Sea2019
Corambe obscuraNetherlands1879
Corambe obscuraRomania1990
Corambe obscuraRussia / Azov Sea1986
Corambe obscuraUkraine / Azov SeaFrom 1989
Corambe obscuraUkraine / Black SeaFrom 1989
Corbicula fluminalisBelgiumTo 1992
Corbicula fluminalisGermany / North SeaTo 1983
Corbicula fluminalisNetherlandsTo 1990
Corbicula fluminalisPortugal / Iberian Coastal1980 - 1989
Corbicula fluminalisUkraine / Black Sea2000 - 2003
Corbicula flumineaBelgiumTo 1992
Corbicula flumineaGermany / North Sea1983
Corbicula flumineaIrelandTo 2010
Corbicula flumineaNetherlandsTo 1998
Corbicula flumineaPortugal / Iberian CoastalTo 1978
Corbicula flumineaSpain / Iberian Coastal1994
Corbicula flumineaUkraine / Black Sea1995 - 2000
Corbicula flumineaUnited Kingdom (Britain) / North Sea1998
Cordylophora caspiaBelgium1905
Cordylophora caspiaDenmark / Baltic Sea1891 - 1899
Cordylophora caspiaDenmark / North Sea1895
Cordylophora caspiaEstonia1801 - 1850
Cordylophora caspiaFinland1801 - 1889
Cordylophora caspiaFrance / Biscay Gulf1901
Cordylophora caspiaFrance / Celtic seas1901
Cordylophora caspiaFrance / English ChannelTo 1901
Cordylophora caspiaGermany / Baltic Sea1858
Cordylophora caspiaGermany / North Sea1858
Cordylophora caspiaIrelandTo 1844
Cordylophora caspiaItaly / Adriatic Sea1978
Cordylophora caspiaItaly / Central Mediterranean1978
Cordylophora caspiaItaly / Western Mediterranean1978
Cordylophora caspiaLatvia1801 - 1899
Cordylophora caspiaLithuania1801 - 1899
Cordylophora caspiaNetherlands1884
Cordylophora caspiaNorway / North Sea1985
Cordylophora caspiaPoland1801 - 1850
Cordylophora caspiaPortugal / Iberian CoastalTo 1983
Cordylophora caspiaRussia / Baltic Sea / Kaliningrad area1860 - 1870
Cordylophora caspiaRussia / Baltic Sea / St. Petersburg area1979
Cordylophora caspiaSweden / Baltic Sea1810
Cordylophora caspiaSweden / North Sea1895 - 1971
Cordylophora caspiaUkraine / Black Sea1950 - 1959
Cordylophora caspiaUnited Kingdom (Britain) / Celtic seas 
Cordylophora caspiaUnited Kingdom (Britain) / English Channel 
Cordylophora caspiaUnited Kingdom (Britain) / North Sea 
Coregonus autumnalisLatvia1957
Coregonus autumnalisRussia / Baltic Sea / St. Petersburg area1953 - 1957
Coregonus muksunLatvia1970
Coregonus muksunPoland1984
Coregonus nasusLatvia1960
Coregonus peledEstonia1959
Coregonus peledFinland1965
Coregonus peledLatvia1954
Coregonus peledLithuania1960
Coregonus peledPoland1966
Coregonus peledRussia / Baltic Sea / Kaliningrad area1958
Coregonus peledRussia / Baltic Sea / St. Petersburg area1955 - 1956
Corella eumyotaFrance / Biscay GulfTo 2002
Corella eumyotaFrance / Celtic seasTo 2006
Corella eumyotaFrance / English Channel2002
Corella eumyotaFrance / North Sea2007
Corella eumyotaGermany / North Sea2016
Corella eumyotaIreland2005
Corella eumyotaNetherlands2007
Corella eumyotaPortugal / Iberian Coastal2008
Corella eumyotaSpain / Iberian CoastalTo 2008
Corella eumyotaUnited Kingdom (Britain) / Celtic seas2004
Corella eumyotaUnited Kingdom (Britain) / English Channel2004
Corella eumyotaUnited Kingdom (Britain) / North Sea2009 - 2013
Corella eumyotaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2012
Corethron pennatumNetherlandsTo 2018
Coriophora lessepsianaIsrael2018
Cornigerius maeoticusRussia / Baltic Sea / St. Petersburg area2003
Corollospora laceraUkraine / Black Sea1992
Corophium volutatorRussia / Caspian Sea1950 - 1959
Corymbellus aureusDenmark / Baltic Sea1992
Corymbellus aureusDenmark / North Sea1989
Coryne eximiaAustralia / Bass strait1884
Corynomorpha prismaticaPortugal / Azores1990
Corynophlaea verruculiformisNetherlands1994
Coryphellina rubrolineataGreece / Eastern Mediterranean2009
Coryphellina rubrolineataIsrael1988
Coscinasterias tenuispinaSpain / Iberian Coastal2000
Coscinodiscus wailesiiBelgium1977 - 1978
Coscinodiscus wailesiiDenmark / Baltic Sea1983 - 1989
Coscinodiscus wailesiiDenmark / North Sea1983
Coscinodiscus wailesiiFrance / Biscay Gulf1972 - 1978
Coscinodiscus wailesiiFrance / Celtic seas1978
Coscinodiscus wailesiiFrance / English Channel1978
Coscinodiscus wailesiiGermany / North Sea1977
Coscinodiscus wailesiiIreland1979
Coscinodiscus wailesiiNetherlands1978
Coscinodiscus wailesiiNorway / North Sea1979
Coscinodiscus wailesiiSweden / Baltic Sea1995 - 2005
Coscinodiscus wailesiiSweden / North SeaTo 1995
Coscinodiscus wailesiiUnited Kingdom (Britain) / Celtic seas1977
Coscinodiscus wailesiiUnited Kingdom (Britain) / English Channel1977
Cossura coastaGreece / Central Mediterranean1980
Cossura coastaGreece / Eastern Mediterranean1975
Costellipitar chordatusIsrael2012
Cotula coronopifoliaGermany / North Sea1739
Cotula coronopifoliaNetherlands1846
Cotylorhiza erythraeaIsrael2003
Cradoscrupocellaria bertholletiiAustralia / Bass straitFrom 1900
Cradoscrupocellaria bertholletiiPortugal / Madeira2006
Crambe crambePortugal / MadeiraTo 2004
Crangon crangonIceland2003
Crangonyx pseudogracilisIreland1975 - 1993
Craspedacusta sowerbiiGermany / North Sea1960 - 1969
Craspedacusta sowerbiiIrelandTo 2013
Crassicorophium bonelliiUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Crassicorophium crassicorneUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Crassimarginatella papuliferaSpain / Iberian CoastalTo 2016
Crassostrea rhizophoraeFrance / Celtic seas1976
Crassostrea rhizophoraeUnited Kingdom (Britain) / Celtic seas1981
Crassostrea rivularisFrance / Celtic seas1994
Crassostrea sikameaFrance / Celtic seas1994
Crassostrea virginicaBelgium1960 - 1969
Crassostrea virginicaDenmark / Baltic Sea1880
Crassostrea virginicaFrance / Biscay Gulf1861
Crassostrea virginicaFrance / Celtic seas1861
Crassostrea virginicaGermany / Baltic Sea1886 - 1896
Crassostrea virginicaGermany / North Sea1911
Crassostrea virginicaIreland1870
Crassostrea virginicaNetherlandsTo 1943
Crassostrea virginicaRomania1973
Crassostrea virginicaSweden / North Sea 
Crassostrea virginicaUnited Kingdom (Britain) / North Sea1872
Crenidens crenidensIsrael1992
Crepidacantha poissoniiGreece / Eastern Mediterranean1986
Crepidacantha poissoniiItaly / Central Mediterranean1982
Crepidula fornicataBelgium1911
Crepidula fornicataDenmark / Baltic Sea1934
Crepidula fornicataDenmark / North Sea1934
Crepidula fornicataFrance / Biscay Gulf1934
Crepidula fornicataFrance / Celtic seas1949
Crepidula fornicataFrance / English Channel1934
Crepidula fornicataFrance / North Sea1962
Crepidula fornicataFrance / Western Mediterranean1957
Crepidula fornicataGermany / North Sea1934
Crepidula fornicataGreece / Eastern Mediterranean1985
Crepidula fornicataIreland1893
Crepidula fornicataItaly / Central Mediterranean1973
Crepidula fornicataItaly / Western Mediterranean1983
Crepidula fornicataNetherlands1929
Crepidula fornicataNorway / Barents SeaTo 1985
Crepidula fornicataNorway / North Sea1958 - 1985
Crepidula fornicataNorway / Norwegian SeaTo 1985
Crepidula fornicataPortugal / Iberian CoastalTo 1999
Crepidula fornicataSpain / Iberian CoastalTo 1983
Crepidula fornicataSweden / North Sea1950
Crepidula fornicataUnited Kingdom (Britain) / Celtic seas1872
Crepidula fornicataUnited Kingdom (Britain) / English Channel1872
Crepidula fornicataUnited Kingdom (Britain) / North Sea1887 - 1890
Crepipatella dilatataPortugal / Iberian Coastal2023
Crepipatella dilatataSpain / Iberian Coastal2005
Cristapseudes omercooperiIsrael2005
Crisularia serrataFrance / Western Mediterranean1902
Crisularia serrataGreece / Eastern Mediterranean1967
Crisularia serrataItaly / Western Mediterranean1986 - 1987
Critomolgus actiniaeIreland1973
Cryptocentrus caeruleopunctatusIsrael2014
Cryptonemia hibernicaFrance / English Channel1980
Cryptonemia hibernicaIreland1971
Cryptonemia hibernicaUnited Kingdom (Britain) / English Channel2000
Cryptonemia lomationUnited Kingdom (Britain) / Celtic seas1983
Cryptorchestia cavimanaBelgiumTo 2002
Cryptorchestia cavimanaGermany / Baltic SeaTo 1925
Cryptorchestia cavimanaGermany / North SeaTo 1920
Cryptorchestia cavimanaNetherlands1878
Cryptorchestia cavimanaPolandTo 1925
Cryptosula pallasianaAustralia / Bass strait1886 - 1889
Cryptosula pallasianaNew Zealand / New Zealand Shelf / North IslandTo 1890
Cryptosula pallasianaNew Zealand / New Zealand Shelf / South IslandTo 1890
Cryptosula pallasianaPortugal / Madeira2014
Ctenodrilus serratusPortugal / Madeira1992
Ctenodrilus serratusUnited Kingdom (Britain) / North Sea / Orkney Islands2015
Ctenogobius boleosomaItaly / Central Mediterranean2021
Ctenopharyngodon idellaDenmark / Baltic Sea2008
Ctenopharyngodon idellaFinland1970 - 1979
Cucurbitula cymbiumIsrael1954
Cumulospora marinaUkraine / Black SeaFrom 2001
Cumulospora variaUkraine / Black Sea2001
Cuthona percaItaly / Adriatic Sea1976 - 1977
Cuthona percaUkraine / Black Sea2007
Cutleria multifidaAustralia / Bass strait1966
Cutleria multifidaGreece / Central Mediterranean1975
Cutleria multifidaGreece / Eastern Mediterranean1932
Cutleria multifidaItaly / Adriatic SeaTo 2000
Cutleria multifidaItaly / Western Mediterranean2012
Cyclichthys spilostylusIsrael1992
Cycloscala hyalinaIsrael2018
Cylichna villersiiIsrael2008
Cymbaloporetta planaGreece / Eastern Mediterranean2001 - 2006
Cymodoce fuscinaGreece / Eastern Mediterranean2015
Cymodocea nodosaTurkey / Black Sea2000 - 2009
Cynoglossus sinusarabiciIsrael1953
Cynoscion nebulosusSpain / Iberian CoastalTo 2013
Cynoscion regalisFrance / Biscay Gulf2021
Cynoscion regalisPortugal / Iberian CoastalTo 2016
Cyprinus carpioDenmark / Baltic Sea1879
Cyprinus carpioDenmark / North Sea1879
Cyprinus carpioEstonia1893
Cyprinus carpioFinland1958
Cyprinus carpioLatvia1201 - 1300
Cyprinus carpioLithuania1501 - 1600
Cyprinus carpioPoland1200 - 1300
Cyprinus carpioRussia / Baltic Sea / Kaliningrad area1501 - 1599
Cyprinus carpioRussia / Baltic Sea / St. Petersburg area1893 - 1899
Cyprinus carpioSweden / Baltic Sea1952
Cystodytes dellechiajeiPortugal / AzoresTo 1969
Cystodytes dellechiajeiPortugal / MadeiraTo 1995
Darcythompsonia fairliensisUkraine / Black Sea2009
Darwinella australiensisAustralia / Bass strait1885
Darwinella gardineriAustralia / Bass strait1981
Dasya baillouvianaDenmark / Baltic Sea1961
Dasya baillouvianaDenmark / North Sea1961
Dasya baillouvianaGermany / Baltic Sea1961
Dasya baillouvianaGermany / North Sea1960 - 1969
Dasya baillouvianaNetherlands1950
Dasya baillouvianaNorway / North Sea1966
Dasya baillouvianaPortugal / Azores1997
Dasya baillouvianaSweden / North Sea1940 - 1952
Dasya sessilisFrance / Biscay Gulf2005
Dasya sessilisFrance / Western Mediterranean1984
Dasya sessilisNetherlands2003
Dasya sessilisPortugal / Iberian CoastalFrom 1989
Dasya sessilisSpain / Iberian Coastal1989
Dasysiphonia japonicaBelgium2015
Dasysiphonia japonicaDenmark / Baltic Sea2005
Dasysiphonia japonicaDenmark / North Sea2005
Dasysiphonia japonicaFrance / Celtic seas1994
Dasysiphonia japonicaFrance / English Channel1984
Dasysiphonia japonicaFrance / North Sea1984
Dasysiphonia japonicaFrance / Western Mediterranean1994
Dasysiphonia japonicaGermany / North Sea2015
Dasysiphonia japonicaIreland2002
Dasysiphonia japonicaItaly / Adriatic Sea1999
Dasysiphonia japonicaItaly / Central Mediterranean2014
Dasysiphonia japonicaNetherlands1994
Dasysiphonia japonicaNorway / North Sea1996
Dasysiphonia japonicaNorway / Norwegian Sea1996
Dasysiphonia japonicaSpain / Iberian Coastal1990 - 1999
Dasysiphonia japonicaSweden / North Sea2002
Dasysiphonia japonicaUnited Kingdom (Britain) / Celtic seas2004
Dasysiphonia japonicaUnited Kingdom (Britain) / English Channel2004
Dasysiphonia japonicaUnited Kingdom (Britain) / North Sea2004
Dasysiphonia japonicaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2011
Decapterus russelliIsrael2005
Dendostrea fronsIreland1983
Dendostrea sandvichensisIsrael2005
Dendrocoelum romanodanubialeBelgiumTo 2001
Dendrocoelum romanodanubialeNetherlandsTo 2001
Dendrodoris fumataIsrael1980
Derbesia boergeseniiIsrael2015
Derbesia marinaAustralia / Bass strait1977
Derbesia rhizophoraFrance / Western Mediterranean1986
Derbesia rhizophoraIsrael2015
Desdemona ornataGreece / Eastern Mediterranean1986
Desdemona ornataItaly / Adriatic Sea2002
Desdemona ornataItaly / Western MediterraneanTo 1985
Desdemona ornataNetherlandsTo 2015
Desdemona ornataPortugal / Iberian CoastalTo 1993
Desdemona ornataSpain / Iberian CoastalTo 1998
Desdemona ornataUnited Kingdom (Britain) / English Channel1997
Desmacella meliorataPortugal / AzoresTo 1979
Desmarestia ligulataIceland1967
Desmarestia viridisFrance / Western Mediterranean1978
Desmarestia viridisGermany / Baltic SeaTo 1990
Desmarestia viridisGermany / North SeaTo 1881
Desmarestia viridisItaly / Adriatic Sea1999
Desmarestia viridisNetherlandsTo 2005
Desmarestia viridisRomania2004
Desmarestia viridisUkraine / Black SeaFrom 1992
Detonula pumilaBulgaria1999
Detonula pumilaGeorgia2002
Deucalion levringiiAustralia / Bass strait1975
Devaleraea ramentaceaFaroe IslandsTo 1982
Devaleraea ramentaceaGermany / North Sea1975
Devaleraea ramentaceaNorway / North SeaTo 1999
Diadema antillarumSpain / Canary IslandsTo 2006
Diadema setosumGreece / Eastern Mediterranean2010
Diadema setosumIsrael2017
Diadumene cinctaBelgiumTo 2018
Diadumene cinctaFrance / Biscay Gulf1963
Diadumene cinctaFrance / Celtic seas1963
Diadumene cinctaFrance / English Channel1963
Diadumene cinctaFrance / North Sea1925
Diadumene cinctaGermany / North Sea1928
Diadumene cinctaItaly / Adriatic Sea1993
Diadumene cinctaNetherlands1925
Diadumene cinctaSweden / North SeaTo 2023
Diadumene lineataBelgium1998
Diadumene lineataBulgaria1960 - 1969
Diadumene lineataCanada / Bay of Fundy2009
Diadumene lineataCanada / South-eastern Scotian Shelf2013
Diadumene lineataDenmark / Baltic Sea2008
Diadumene lineataDenmark / North Sea2008
Diadumene lineataFrance / Biscay Gulf1963
Diadumene lineataFrance / Celtic seas1900
Diadumene lineataFrance / North Sea1976
Diadumene lineataFrance / Western MediterraneanTo 1971
Diadumene lineataGermany / Baltic Sea2011
Diadumene lineataGermany / North Sea1920
Diadumene lineataIreland1974
Diadumene lineataItaly / Adriatic Sea1925
Diadumene lineataItaly / Western Mediterranean1911
Diadumene lineataNetherlands1912
Diadumene lineataRomania1960 - 1969
Diadumene lineataSweden / North SeaTo 2022
Diadumene lineataUkraine / Black Sea1960 - 1969
Diadumene lineataUnited Kingdom (Britain) / English Channel1899
Diadumene lineataUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Diala semistriataIsrael1935
Diamysis bahirensisPortugal / Iberian Coastal1995
Dichotomaria obtusataIsrael2014
Dicroerisma psilonereiellaSweden / North Sea1996 - 2000
Dictyota acutilobaIsrael2010
Dictyota cyanolomaFrance / Western Mediterranean1999
Dictyota cyanolomaGreece / Central Mediterranean2013
Dictyota cyanolomaItaly / Western MediterraneanTo 2017
Dictyota dichotomaAustralia / Bass strait1966
Dictyota dichotomaDenmark / Baltic Sea1939
Dictyota dichotomaDenmark / North Sea1939
Dictyota dichotomaGermany / North SeaTo 1854
Dictyota dichotomaNetherlands1907 - 1926
Didemnum perlucidumPortugal / MadeiraTo 2012
Didemnum pseudovexillumFrance / English Channel2015
Didemnum vexillumCanada / Bay of Fundy2013
Didemnum vexillumFrance / English Channel1998
Didemnum vexillumFrance / North SeaTo 2001
Didemnum vexillumGermany / North Sea2016
Didemnum vexillumIreland2005
Didemnum vexillumItaly / Adriatic SeaTo 2007
Didemnum vexillumNetherlandsTo 1991
Didemnum vexillumNorway / North Sea2020
Didemnum vexillumPortugal / Iberian Coastal2020
Didemnum vexillumSpain / Iberian Coastal2017
Didemnum vexillumSweden / North Sea2022
Didemnum vexillumUnited Kingdom (Britain) / Celtic seas2005
Didemnum vexillumUnited Kingdom (Britain) / English Channel2005
Dikerogammarus haemobaphesBelgium1998
Dikerogammarus haemobaphesFrance / Celtic seas1998
Dikerogammarus haemobaphesGermany / Baltic SeaTo 2015
Dikerogammarus haemobaphesGermany / North SeaTo 2017
Dikerogammarus haemobaphesPoland1996
Dikerogammarus haemobaphesRussia / Baltic Sea / Kaliningrad area1999
Dikerogammarus villosusBelgium1998
Dikerogammarus villosusFrance / Celtic seas1997
Dikerogammarus villosusFrance / English Channel1997
Dikerogammarus villosusGermany / Baltic Sea1990 - 2015
Dikerogammarus villosusGermany / North Sea1995
Dikerogammarus villosusLatvia2015
Dikerogammarus villosusLithuania2015
Dikerogammarus villosusNetherlands1994
Dikerogammarus villosusPoland2002
Dikoleps micaliiIsrael2015
Dinophysis caudataSweden / Baltic Sea2019
Dinophysis islandicaUkraine / Black Sea2001
Dinophysis nasutaUkraine / Black Sea2008
Dinophysis odiosaRussia / Black Sea2008
Dinophysis odiosaUkraine / Black Sea2001
Dinophysis recurvaUkraine / Black Sea2001
Dinophysis sacculusDenmark / Baltic Sea2004
Dinophysis sacculusDenmark / North Sea2004
Dinophysis schilleriUkraine / Black Sea2001
Dinophysis triposSweden / Baltic SeaTo 2019
Diodora funiculataGreece / Eastern Mediterranean2013
Diodora funiculataIsrael1998
Diodora ruppelliiIsrael1939
Diopatra hupferiana hupferianaItaly / Central Mediterranean1991
Diphasia digitalisIsrael2004
Diplocirrus stopbowitziFrance / English Channel2009
Diplopsalopsis orbicularisRussia / Black Sea2004
Diplosoma listerianumBelgiumTo 2018
Diplosoma listerianumCanada / South-eastern Scotian Shelf2012
Diplosoma listerianumCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2008
Diplosoma listerianumFrance / English Channel1977
Diplosoma listerianumFrance / North Sea1977
Diplosoma listerianumGermany / North SeaTo 1993
Diplosoma listerianumGreece / Eastern Mediterranean1996
Diplosoma listerianumIceland2018
Diplosoma listerianumNetherlandsTo 1930
Diplosoma listerianumPortugal / Madeira1992 - 1993
Diplosoma listerianumUnited Kingdom (Britain) / North Sea / Orkney Islands1997
Diplothamnion jolyiIsrael2015
Dipolydora blakeiGreece / Central Mediterranean1991
Dipolydora blakeiGreece / Eastern Mediterranean1991
Dipolydora capensisSpain / Iberian CoastalTo 2017
Dipolydora quadrilobataBulgaria1990 - 1999
Dipolydora quadrilobataRomania2000 - 2009
Dipolydora socialisCanada / Hudson Bay ComplexTo 2012
Dipolydora socialisSpain / Iberian CoastalTo 2017
Dipolydora tentaculataSpain / Iberian CoastalTo 2005
Dispio magnusGreece / Central Mediterranean1982
Dissodinium pseudocalaniSweden / North Sea2003
Distaplia bermudensisItaly / Central Mediterranean2000
Distaplia bermudensisPortugal / Madeira2006
Distaplia corollaPortugal / AzoresTo 1971
Distaplia corollaPortugal / Iberian Coastal2016
Distaplia corollaPortugal / MadeiraTo 2004
Distephanus speculum f. octonariusBulgaria1979
Distephanus speculum f. octonariusGeorgia1985
Distephanus speculum f. octonariusRomania1979
Distephanus speculum f. octonariusUkraine / Black Sea1979
Divalinga arabicaIsrael1976
Dodecaceria capensisGreece / Central Mediterranean1980
Dodecaceria capensisGreece / Eastern Mediterranean1975
Dorippe quadridensIsrael2004
Dorvillea similisGreece / Eastern Mediterranean2014
Dorvillea similisItaly / Western Mediterranean2018
Dreissena bugensisBelgiumTo 2009
Dreissena bugensisGermany / Baltic Sea2014
Dreissena bugensisGermany / North SeaTo 1950
Dreissena bugensisIreland2020 - 2021
Dreissena bugensisNetherlandsTo 2015
Dreissena bugensisPoland2011
Dreissena bugensisRussia / Baltic Sea / St. Petersburg area2004
Dreissena polymorphaBelgium1826
Dreissena polymorphaEstonia1801 - 1850
Dreissena polymorphaFinland1995
Dreissena polymorphaGermany / Baltic Sea1801 - 1850
Dreissena polymorphaGermany / North Sea1824
Dreissena polymorphaIreland1993
Dreissena polymorphaLatvia1801 - 1850
Dreissena polymorphaLithuania1801 - 1810
Dreissena polymorphaNetherlands1826
Dreissena polymorphaPoland1824 - 1828
Dreissena polymorphaRussia / Baltic Sea / Kaliningrad area1824
Dreissena polymorphaRussia / Baltic Sea / St. Petersburg area1970 - 1980
Dreissena polymorphaSweden / Baltic Sea2008
Dreissena polymorphaUnited Kingdom (Britain) / Celtic seas1824
Dreissena polymorphaUnited Kingdom (Britain) / North Sea1824
Drepanophora birbiraIsrael2009
Dugesia tigrinaBelgiumTo 2004
Dugesia tigrinaFrance / Celtic seas1950
Dugesia tigrinaGermany / North Sea1931
Dussumieria elopsoidesIsrael1949
Dynamena quadridentataIsrael2004
Dysidea avaraAustralia / Bass strait1889
Dysidea fragilisAustralia / Bass strait1889
Dyspanopeus sayiFrance / Biscay Gulf2007
Dyspanopeus sayiGreece / Eastern Mediterranean2015
Dyspanopeus sayiItaly / Adriatic Sea1992
Dyspanopeus sayiItaly / Central Mediterranean2011 - 2012
Dyspanopeus sayiItaly / Western Mediterranean2011 - 2013
Dyspanopeus sayiPortugal / Iberian Coastal2018
Dyspanopeus sayiUnited Kingdom (Britain) / Celtic seas1950 - 1959
Echinogammarus ischnusGermany / Baltic Sea2020
Echinogammarus ischnusGermany / North SeaTo 1977
Echinogammarus trichiatusBelgiumTo 2009
Echinogammarus trichiatusGermany / Baltic Sea2014
Ecteinascidia styeloidesFrance / Western Mediterranean1987
Ecteinascidia thurstoniIsrael2004
Ecteinascidia turbinataGreece / Eastern Mediterranean1973 - 1983
Ectocarpus caspicusUkraine / Black SeaFrom 1980
Ectocarpus fasciculatusAustralia / Bass strait1971
Ectocarpus siliculosusAustralia / Bass strait1966
Ectopleura croceaAustralia / Bass strait1884
Ectopleura croceaPortugal / AzoresTo 1989
Ectopleura croceaPortugal / MadeiraTo 1995
Edwardsia claparediiNetherlandsTo 1917
Edwardsiella lineataSweden / North Sea2007 - 2012
Eichhornia crassipesPortugal / Iberian Coastal1936
Elachista sp.Netherlands1993
Elasmopus pectenicrusItaly / Adriatic Sea1980
Elasmopus pectenicrusItaly / Central Mediterranean2001
Elates ransonnettiiItaly / Central Mediterranean2005
Electra pilosaAustralia / Bass strait1860 - 1869
Electra pilosaSpain / Canary IslandsTo 2003
Elodea canadensisEstonia1900 - 1929
Elodea canadensisFinland1870 - 1879
Elodea canadensisLatvia1872
Elodea canadensisLithuania1884
Elodea canadensisNorway / North Sea1925
Elodea canadensisNorway / Norwegian SeaTo 2012
Elodea canadensisPoland1866
Elodea canadensisRussia / Baltic Sea / Kaliningrad area1884
Elodea canadensisRussia / Baltic Sea / St. Petersburg area1881 - 1892
Elodea canadensisSweden / Baltic Sea1873
Elodea nuttalliiBelgium1939
Elodea nuttalliiFrance / North Sea1950 - 1959
Elodea nuttalliiGermany / North Sea1953
Elodea nuttalliiIreland1974
Elodea nuttalliiNetherlands1941
Elodea nuttalliiNorway / North Sea2006
Elodea nuttalliiPoland2010
Elodea nuttalliiSweden / Baltic Sea1991
Elodea nuttalliiUnited Kingdom (Britain) / North Sea1914
Elysia grandifoliaIsrael2005
Emiliania huxleyiDenmark / Baltic Sea1989
Emiliania huxleyiDenmark / North Sea1989
Encrasicholina gloriaIsrael2009
Endarachne binghamiaePortugal / AzoresTo 1985
Endeis biseriataItaly / Western Mediterranean1979 - 1980
Engina mendicariaIsrael2001
Ensiculus cultellusIsrael2008
Ensis leeiBelgium1986
Ensis leeiDenmark / Baltic Sea1984
Ensis leeiDenmark / North Sea1981
Ensis leeiFrance / Biscay Gulf1991
Ensis leeiFrance / Celtic seas1991
Ensis leeiFrance / English Channel1992
Ensis leeiFrance / North Sea1991
Ensis leeiGermany / Baltic Sea1991
Ensis leeiGermany / North Sea1979
Ensis leeiIreland2021
Ensis leeiNetherlands1981
Ensis leeiNorway / North Sea1989
Ensis leeiSpain / Iberian Coastal2011
Ensis leeiSweden / North Sea1982 - 1986
Ensis leeiUnited Kingdom (Britain) / English Channel1989
Ensis leeiUnited Kingdom (Britain) / North Sea1989
Ensis terranovensisIceland2019
Eocuma dimorphumSpain / Iberian CoastalTo 1999
Eocuma rosaeIsrael2005
Eocuma sarsiiIsrael2009
Epinephelus areolatusIsrael2015
Epinephelus caninusUkraine / Black Sea2013
Epinephelus chlorostigmaIsrael2015
Epinephelus coioidesIsrael1966
Epinephelus coioidesItaly / Adriatic Sea1998
Epinephelus fasciatusIsrael2013
Epinephelus malabaricusIsrael1966
Epitonium vaillantiIsrael2015
Equulites klunzingeriGreece / Eastern Mediterranean1946 - 1964
Equulites klunzingeriIsrael1924
Equulites popeiIsrael2011
Ercolania viridisUkraine / Black SeaFrom 2001
Ergalatax contractaIsrael2001
Ergalatax junionaeGreece / Eastern Mediterranean2007
Ergalatax junionaeIsrael2004
Ericthonius didymusFrance / Biscay Gulf2013
Ericthonius didymusFrance / Western Mediterranean2015
Ericthonius didymusItaly / Adriatic Sea2000 - 2005
Eriocheir japonicaBelgiumTo 1998
Eriocheir japonicaGermany / North SeaTo 2015
Eriocheir japonicaNetherlandsTo 2015
Eriocheir japonicaPoland2015
Eriocheir sinensisBelgium1933
Eriocheir sinensisDenmark / Baltic Sea1935
Eriocheir sinensisDenmark / North Sea1927
Eriocheir sinensisEstonia1933
Eriocheir sinensisFinland1933
Eriocheir sinensisFrance / Biscay Gulf1930
Eriocheir sinensisFrance / Celtic seas1930
Eriocheir sinensisFrance / English Channel1930
Eriocheir sinensisFrance / North Sea1930
Eriocheir sinensisFrance / Western Mediterranean1959
Eriocheir sinensisGermany / Baltic Sea1921 - 1929
Eriocheir sinensisGermany / North Sea1912
Eriocheir sinensisIreland2006
Eriocheir sinensisItaly / Adriatic Sea2005
Eriocheir sinensisLatvia1932
Eriocheir sinensisLithuania1935
Eriocheir sinensisNetherlands1930
Eriocheir sinensisNorway / North Sea1976
Eriocheir sinensisPoland1928
Eriocheir sinensisPortugal / Iberian Coastal1988
Eriocheir sinensisRomania1934
Eriocheir sinensisRussia / Baltic Sea / Kaliningrad area1930 - 1933
Eriocheir sinensisRussia / Baltic Sea / St. Petersburg area1930 - 1933
Eriocheir sinensisRussia / White SeaTo 2010
Eriocheir sinensisSpain / Iberian Coastal1997
Eriocheir sinensisSweden / Baltic Sea1932
Eriocheir sinensisSweden / North Sea1936
Eriocheir sinensisUkraine / Black Sea1998 - 2002
Eriocheir sinensisUnited Kingdom (Britain) / Celtic seas1935
Eriocheir sinensisUnited Kingdom (Britain) / English Channel1935
Eriocheir sinensisUnited Kingdom (Britain) / North Sea1935
Eriphia verrucosaFrance / English Channel1968
Erugosquilla massavensisGreece / Central Mediterranean2017
Erugosquilla massavensisGreece / Eastern Mediterranean1963
Erugosquilla massavensisIsrael1936
Erugosquilla massavensisItaly / Central Mediterranean2017
Ervilia scaliolaIsrael2016
Erythrocladia irregularisBulgaria1990 - 1999
Erythrotrichia carneaAustralia / Bass strait1994
Escharina vulgarisSpain / Canary IslandsTo 2003
Escharina vulgarisSweden / North SeaTo 2006
Ethmodiscus punctigerBelgium1993
Ethmodiscus punctigerDenmark / Baltic Sea1901
Ethmodiscus punctigerDenmark / North Sea1901
Ethmodiscus punctigerFrance / Biscay Gulf1978
Ethmodiscus punctigerFrance / Celtic seas 
Ethmodiscus punctigerFrance / English Channel1978
Ethmodiscus punctigerFrance / North Sea1978
Ethmodiscus punctigerGermany / Baltic Sea1983
Ethmodiscus punctigerGermany / North Sea1979
Ethmodiscus punctigerNetherlands1981
Ethmodiscus punctigerNorway / North Sea1979
Ethmodiscus punctigerSweden / Baltic Sea1990
Ethmodiscus punctigerSweden / North Sea1979
Ethmodiscus punctigerUnited Kingdom (Britain) / English Channel1978
Etrumeus golaniItaly / Central Mediterranean2005
Etrumeus golaniiGreece / Eastern Mediterranean1999
Etrumeus golaniiIsrael1961
Eucampia cornutaFrance / Celtic seas2003
Eucampia cornutaFrance / English Channel2003
Eucampia cornutaUnited Kingdom (Britain) / English ChannelFrom 2003
Eucheilota menoniBelgiumTo 2012
Eucheilota menoniFrance / Biscay Gulf2009
Eucheilota menoniFrance / English ChannelTo 2007
Eucheilota menoniFrance / North Sea2007
Eucheilota menoniSpain / Iberian Coastal2008
Eucheilota paradoxicaFrance / Western Mediterranean1977
Euchone incolorPortugal / Iberian CoastalTo 2017
Euchone incolorSpain / Iberian CoastalTo 2017
Euchone limnicolaAustralia / Bass strait1984
Euchone limnicolaFrance / English Channel2016
Euchone limnicolaFrance / North Sea2015
Eucrate crenataIsrael1994
Eudendrium capillareUkraine / Black SeaFrom 1990
Eudendrium carneumItaly / Central MediterraneanTo 2015
Eudendrium carneumItaly / Western Mediterranean1985
Eudendrium merulumItaly / Central Mediterranean1984
Eudendrium merulumItaly / Western MediterraneanTo 1991
Eudendrium vaginatumUkraine / Black SeaFrom 1990
Eudistoma angolanumPortugal / AzoresTo 1971
Eudistoma angolanumPortugal / MadeiraTo 1974
Eunaticina papillaIsrael2017
Eunice tubifexIsrael1974
Euplana gracilisNetherlands2002
Euplokamis dunlapaeSweden / North Sea2011
Euryte longicaudaBulgaria2000
Eurytemora americanaBelgium1938
Eurytemora americanaFrance / English Channel1977
Eurytemora americanaFrance / North Sea1977
Eurytemora americanaIceland1940
Eurytemora americanaNetherlandsTo 1963
Eurytemora americanaUnited Kingdom (Britain) / English Channel1931
Eurytemora carolleeaeGermany / Baltic Sea2012
Eurytemora carolleeaeLatvia2008
Eurytemora carolleeaeNetherlands2011
Eurytemora carolleeaePoland2019
Eurytemora carolleeaeRussia / Baltic Sea2004
Eurytemora pacificaFrance / Biscay Gulf2014
Eurytemora pacificaFrance / Celtic seas1985
Eusarsiella zostericolaNetherlands2012
Eusarsiella zostericolaUnited Kingdom (Britain) / English Channel1870
Eusarsiella zostericolaUnited Kingdom (Britain) / North Sea1870 - 1940
Euthymella colzumensisGreece / Eastern Mediterranean2017
Euthymonacha politaGreece / Eastern Mediterranean2012
Eutintinnus apertusUkraine / Black SeaFrom 2002
Eutintinnus hastaeUkraine / Black SeaFrom 2002
Eutintinnus lususundaeBulgaria2001
Eutintinnus lususundaeRomania2001
Eutintinnus lususundaeRussia / Black Sea2001
Eutintinnus lususundaeTurkey / Black Sea2001
Eutintinnus lususundaeUkraine / Black SeaFrom 2001
Eutintinnus tubulosusRussia / Black Sea2001
Eutintinnus tubulosusUkraine / Black SeaFrom 2001
Evadne anonyxEstonia1999
Evadne anonyxFinland1998
Evadne anonyxGermany / Baltic Sea2014
Evadne anonyxLatvia2000 - 2001
Evadne anonyxLithuania2011
Evadne anonyxPoland2006
Evadne anonyxRussia / Baltic Sea / Kaliningrad area2007
Evadne anonyxRussia / Baltic Sea / St. Petersburg area2000
Evadne anonyxSweden / Baltic Sea2008
Evelineus mcintoshiiIsrael2014
Favella brevisUkraine / Black SeaFrom 2002
Favorinus ghanensisItaly / Western Mediterranean2021
Faxonius immunisNetherlands2019
Faxonius limosusBelgium1950 - 1959
Faxonius limosusEstonia2017
Faxonius limosusFrance / Biscay Gulf1911 - 1913
Faxonius limosusFrance / Celtic seasTo 2014
Faxonius limosusFrance / English Channel1911 - 1913
Faxonius limosusFrance / North SeaTo 2014
Faxonius limosusGermany / Baltic Sea1880
Faxonius limosusLatvia2006
Faxonius limosusLithuania1994
Faxonius limosusNetherlands1968
Faxonius limosusPoland1890
Faxonius virilisNetherlands2004
Faxonius virilisSweden / North Sea1959 - 1960
Feldmannia globiferaAustralia / Bass strait1966
Feldmannia irregularisAustralia / Bass strait1971
Feldmannia lebeliiAustralia / Bass strait1971
Feldmannia mitchelliaeAustralia / Bass strait1971
Fenestrulina deliciaBelgiumTo 2011
Fenestrulina deliciaFrance / English Channel2007
Fenestrulina deliciaFrance / North Sea2010
Fenestrulina deliciaGermany / North Sea2011
Fenestrulina deliciaNetherlandsTo 2005
Fenestrulina deliciaUnited Kingdom (Britain) / North Sea / Orkney Islands2018
Fenestrulina malusiiAustralia / Bass strait1879
Fenestrulina malusiiDenmark / Baltic Sea2017
Fenestrulina malusiiDenmark / North Sea2011
Fenestrulina malusiiNetherlandsTo 2018
Fenestrulina malusiiSpain / Canary IslandsTo 2003
Ferrissia californicaGermany / Baltic SeaTo 2013
Ferrissia californicaGermany / North Sea1981 - 1989
Ferrissia fragilisBelgiumTo 1937
Ferrissia fragilisPortugal / Azores2007
Fibrocapsa japonicaFrance / Biscay Gulf1992
Fibrocapsa japonicaFrance / Celtic seas1991
Fibrocapsa japonicaFrance / English Channel1991
Fibrocapsa japonicaGermany / North Sea1992
Fibrocapsa japonicaNetherlands1991
Fibrocapsa japonicaNorway / North Sea1898
Fibrocapsa japonicaSweden / North SeaTo 1924
Ficopomatus enigmaticusAustralia / Bass strait1975
Ficopomatus enigmaticusBelgiumTo 1950
Ficopomatus enigmaticusBulgaria1935
Ficopomatus enigmaticusDenmark / Baltic Sea1939
Ficopomatus enigmaticusDenmark / North Sea1953
Ficopomatus enigmaticusFrance / Biscay Gulf1921
Ficopomatus enigmaticusFrance / Celtic seas1921
Ficopomatus enigmaticusFrance / English Channel1921
Ficopomatus enigmaticusFrance / Western Mediterranean1947
Ficopomatus enigmaticusGeorgia1929
Ficopomatus enigmaticusGermany / Baltic Sea2014
Ficopomatus enigmaticusGermany / North Sea1975
Ficopomatus enigmaticusGreece / Central Mediterranean1981
Ficopomatus enigmaticusGreece / Eastern Mediterranean1959
Ficopomatus enigmaticusIreland1971
Ficopomatus enigmaticusIsrael1954
Ficopomatus enigmaticusItaly / Adriatic Sea1934
Ficopomatus enigmaticusItaly / Central MediterraneanTo 1955
Ficopomatus enigmaticusItaly / Western Mediterranean1919
Ficopomatus enigmaticusNetherlands1968
Ficopomatus enigmaticusPortugal / Azores2016
Ficopomatus enigmaticusPortugal / Iberian CoastalTo 1979
Ficopomatus enigmaticusRomania1954
Ficopomatus enigmaticusRussia / Azov SeaTo 1960
Ficopomatus enigmaticusRussia / Black Sea1961
Ficopomatus enigmaticusSpain / Iberian CoastalTo 2000
Ficopomatus enigmaticusSweden / Baltic Sea2013
Ficopomatus enigmaticusSweden / North Sea 
Ficopomatus enigmaticusTurkey / Black Sea2004
Ficopomatus enigmaticusUkraine / Black SeaFrom 1961
Ficopomatus enigmaticusUnited Kingdom (Britain) / Celtic seas / Channel IslandsTo 1952
Ficopomatus enigmaticusUnited Kingdom (Britain) / English ChannelTo 1937
Ficopomatus enigmaticusUnited Kingdom (Britain) / North Sea1922
Filellum serpensAustralia / Bass strait1984
Finella pupoidesIsrael1958
Fistularia commersoniiFrance / Western Mediterranean2007
Fistularia commersoniiGreece / Central Mediterranean2007
Fistularia commersoniiGreece / Eastern Mediterranean2001
Fistularia commersoniiIsrael2000
Fistularia commersoniiItaly / Central Mediterranean2002
Fistularia commersoniiItaly / Western Mediterranean2003
Fistularia petimbaFrance / Biscay Gulf2018
Fistularia petimbaIsrael2016
Fistulobalanus albicostatusFrance / Biscay Gulf1973
Fistulobalanus albicostatusFrance / Celtic seas1974
Forsterygion lapillumAustralia / Bass strait1996
Fucus distichusGermany / Baltic SeaTo 2017
Fucus distichusGermany / North SeaTo 2020
Fucus distichusUnited Kingdom (Britain) / Celtic seas1980
Fucus distichusUnited Kingdom (Britain) / North Sea1980
Fucus distichus subsp. evanescensIceland1976
Fucus evanescensDenmark / Baltic Sea1948
Fucus evanescensDenmark / North Sea1948
Fucus evanescensGermany / Baltic Sea1990
Fucus evanescensNorway / North Sea1898
Fucus evanescensSweden / Baltic Sea1955
Fucus evanescensSweden / North Sea1924
Fucus serratusIceland1900
Fucus spiralisFrance / Western Mediterranean1987
Fucus spiralisPortugal / Azores1960
Fulvia (Fulvia) fragilisItaly / Adriatic Sea2023
Fulvia (Fulvia) fragilisItaly / Central Mediterranean2006
Fulvia (Fulvia) fragilisItaly / Western Mediterranean2003
Fulvia australisIsrael1948
Fulvia fragilisGreece / Central Mediterranean2015
Fulvia fragilisGreece / Eastern Mediterranean1997
Fulvia fragilisIsrael1955
Fundulus heteroclitusPortugal / Iberian Coastal1976
Fundulus heteroclitusSpain / Iberian Coastal1970 - 1979
Fusinus rostratusSpain / Iberian Coastal2007
Fusinus verrucosusIsrael1929
Gafrarium savignyiIsrael1984
Galaxaura rugosaIsrael2003
Gambusia affinisTurkey / Black Sea1960
Gammarus tigrinusBelgium1995
Gammarus tigrinusDenmark / Baltic Sea1990
Gammarus tigrinusDenmark / North Sea1990
Gammarus tigrinusEstonia2003
Gammarus tigrinusFinland2003
Gammarus tigrinusFrance / Celtic seas1970
Gammarus tigrinusFrance / English Channel2005
Gammarus tigrinusFrance / North Sea2005
Gammarus tigrinusGermany / Baltic Sea1975
Gammarus tigrinusGermany / North Sea1957
Gammarus tigrinusIreland1916 - 1960
Gammarus tigrinusLatvia2011 - 2013
Gammarus tigrinusLithuania2004
Gammarus tigrinusNetherlands1960
Gammarus tigrinusPoland1988
Gammarus tigrinusRussia / Baltic Sea / Kaliningrad area1999
Gammarus tigrinusRussia / Baltic Sea / St. Petersburg area2005
Gammarus tigrinusSweden / Baltic Sea2000 - 2010
Gammogobius steinitziUkraine / Black Sea2012
Ganonema farinosumGreece / Eastern Mediterranean1800 - 1832
Ganonema farinosumIsrael1945
Gari pallidaIsrael2017
Garveia franciscanaBelgium1956
Garveia franciscanaBulgaria1933
Garveia franciscanaFrance / English Channel1952
Garveia franciscanaFrance / North Sea1952
Garveia franciscanaFrance / Western Mediterranean1978
Garveia franciscanaGermany / Baltic Sea2014
Garveia franciscanaGermany / North SeaTo 1952
Garveia franciscanaItaly / Adriatic Sea1978
Garveia franciscanaNetherlands1920
Garveia franciscanaRussia / Black Sea1950 - 1959
Garveia franciscanaUkraine / Azov Sea1950 - 1959
Gayliella fimbriataIsrael2013
Gayliella flaccidaAustralia / Bass strait1981
Gelidiella nigrescensTurkey / Black Sea2000 - 2009
Gelidiella ramellosaTurkey / Black Sea2000 - 2009
Gelidiocolax christianaeTurkey / Black Sea2000 - 2009
Gelidium corneumTurkey / Black Sea2000 - 2009
Gelidium pulchellumTurkey / Black Sea2000 - 2009
Gelidium pusillumAustralia / Bass strait1971
Gelidium pusillumTurkey / Black Sea1990 - 1999
Gelidium spathulatumTurkey / Black Sea2000 - 2009
Gelidium vagumNetherlands2010
Gibborissoa virgataIsrael1970
Gibbula adansoniSpain / Iberian Coastal1994
Gibbula adriaticaSpain / Iberian Coastal2000
Gibbula albidaFrance / Biscay Gulf1973
Gibbula albidaFrance / Celtic seas1984
Gibbula albidaFrance / English Channel2017
Gibbula albidaSpain / Iberian Coastal1984
Gibbula ardensFrance / North Sea2010
Gibbula cinerariaNetherlands1980 - 1989
Glabropilumnus laevisItaly / Western Mediterranean1956
Gloniella clavatisporaUkraine / Black Sea2002
Glycera capitataUkraine / Black Sea1970 - 1979
Glycera dayiSpain / Canary IslandsTo 2001
Glycera dayiSpain / Iberian CoastalTo 2007
Glycinde bonhoureiGreece / Eastern Mediterranean2007
Glycinde bonhoureiIsrael1972
Glycymeris glycymerisNetherlandsTo 2017
Glyphidohaptor plectocirraGreece / Eastern Mediterranean2010
Glyphidohaptor plectocirraIsrael1971
Gmelinoides fasciatusRussia / Baltic Sea / St. Petersburg area1996
Gobiosoma boscBelgium2018
Gobiosoma boscGermany / North Sea2009
Gobiosoma boscNetherlands2017
Gobius cruentatusTurkey / Black Sea2006
Gobius cruentatusUkraine / Black Sea2002
Gobius xanthocephalusGeorgia2000 - 2009
Gobius xanthocephalusUkraine / Black Sea1967
Godiva quadricolorItaly / Adriatic Sea2011
Godiva quadricolorItaly / Central Mediterranean2015
Godiva quadricolorItaly / Western Mediterranean1985
Godiva quadricolorSpain / Iberian Coastal2006
Goneplax rhomboidesGermany / North Sea2008
Goneplax rhomboidesNetherlands2008
Goneplax rhomboidesNorway / North Sea2009
Goniadella gracilisFrance / Biscay Gulf2001
Goniadella gracilisFrance / Celtic seasTo 2001
Goniadella gracilisFrance / English Channel1982
Goniadella gracilisNorway / North SeaTo 2012
Goniadella gracilisNorway / Norwegian SeaTo 2010
Goniadella gracilisPortugal / Iberian CoastalTo 2017
Goniadella gracilisUnited Kingdom (Britain) / Celtic seas1970
Goniadella gracilisUnited Kingdom (Britain) / North Sea / Orkney Islands2018
Goniobranchus annulatusGreece / Eastern Mediterranean2004
Goniobranchus annulatusIsrael2009
Goniobranchus obsoletusIsrael2015
Gonioinfradens giardiIsrael2015
Gonioinfradens paucidentatusGreece / Eastern Mediterranean2010
Gonionemus vertensBelgium1946
Gonionemus vertensDenmark / Baltic Sea1960
Gonionemus vertensDenmark / North Sea1960
Gonionemus vertensFrance / Biscay Gulf1867
Gonionemus vertensFrance / Celtic seas1867
Gonionemus vertensFrance / English Channel1929
Gonionemus vertensFrance / North Sea1913
Gonionemus vertensFrance / Western Mediterranean2016
Gonionemus vertensGermany / North Sea1947
Gonionemus vertensIceland2008
Gonionemus vertensItaly / Adriatic Sea1972
Gonionemus vertensItaly / Western Mediterranean1957 - 1958
Gonionemus vertensNetherlands1960
Gonionemus vertensNorway / North Sea1921
Gonionemus vertensNorway / Norwegian Sea1921
Gonionemus vertensPortugal / Iberian CoastalTo 1700
Gonionemus vertensSweden / North Sea1921 - 1923
Gonionemus vertensUnited Kingdom (Britain) / Celtic seas / Channel Islands1924
Gonionemus vertensUnited Kingdom (Britain) / English ChannelTo 1963
Gonionemus vertensUnited Kingdom (Britain) / North Sea1913
Goniotrichopsis sublittoralisFrance / Biscay Gulf1975
Goniotrichopsis sublittoralisFrance / Celtic seas1975
Goniotrichopsis sublittoralisFrance / Western Mediterranean1998
Gracilaria armataTurkey / Black Sea2000 - 2009
Gracilaria chordaFrance / Biscay Gulf2010
Gracilaria multipartitaIreland1977
Gracilaria vermiculophyllaBelgiumTo 2011
Gracilaria vermiculophyllaCanada / Gulf of Alaska2006
Gracilaria vermiculophyllaDenmark / Baltic Sea2003
Gracilaria vermiculophyllaDenmark / North Sea2005
Gracilaria vermiculophyllaFrance / Biscay Gulf2005
Gracilaria vermiculophyllaFrance / Celtic seas1996
Gracilaria vermiculophyllaFrance / English Channel1993
Gracilaria vermiculophyllaGermany / Baltic Sea2005
Gracilaria vermiculophyllaGermany / North Sea2002
Gracilaria vermiculophyllaIreland2012
Gracilaria vermiculophyllaItaly / Adriatic Sea2008
Gracilaria vermiculophyllaMexico / California Current1979
Gracilaria vermiculophyllaNetherlands1994
Gracilaria vermiculophyllaNorway / North Sea2012
Gracilaria vermiculophyllaPortugal / Iberian CoastalFrom 1989
Gracilaria vermiculophyllaSpain / Iberian CoastalTo 2003
Gracilaria vermiculophyllaSweden / North Sea2003
Gracilaria vermiculophyllaUnited Kingdom (Britain) / Celtic seas2008 - 2013
Gracilaria vermiculophyllaUnited Kingdom (Britain) / English Channel2015
Gracilaria vermiculophyllaUSA / California Current1994
Gracilaria vermiculophyllaUSA / Gulf of Alaska2017
Gracilaria vermiculophyllaUSA / Hudson river2000
Gracilaria vermiculophyllaUSA / Mid-Atlantic BightTo 1998
Gracilipurpura rostrataFrance / English Channel2007
Grallatoria reptansPortugal / Azores2005 - 2007
Grallatoria reptansSpain / Canary IslandsTo 1995
Grandidierella bonnieroidesIsrael2014
Grandidierella japonicaBelgium2018
Grandidierella japonicaDenmark / Baltic Sea2018
Grandidierella japonicaDenmark / North Sea2018
Grandidierella japonicaFrance / Biscay Gulf2010
Grandidierella japonicaFrance / Celtic seas2015
Grandidierella japonicaGermany / Baltic Sea2015
Grandidierella japonicaItaly / Adriatic Sea2015
Grandidierella japonicaItaly / Western Mediterranean2013
Grandidierella japonicaSpain / Spain2017
Grandidierella japonicaSweden / Baltic Sea2010
Grandidierella japonicaUnited Kingdom (Britain) / English Channel1997
Grandidierella japonicaUnited Kingdom (Britain) / North Sea2004 - 2005
Grateloupia asiaticaFrance / Western Mediterranean1984
Grateloupia imbricataPortugal / MadeiraTo 2005
Grateloupia imbricataSpain / Canary IslandsTo 2008
Grateloupia lanceolataFrance / Western Mediterranean1982
Grateloupia lanceolataPortugal / MadeiraTo 2006
Grateloupia luxuriansUnited Kingdom (Britain) / English ChannelTo 1947
Grateloupia minimaFrance / Western Mediterranean1998
Grateloupia minimaItaly / Central Mediterranean2010
Grateloupia patensFrance / Western Mediterranean1994
Grateloupia subpectinataDenmark / Baltic Sea2015
Grateloupia subpectinataDenmark / North Sea2015
Grateloupia subpectinataFrance / Biscay GulfTo 1992
Grateloupia subpectinataFrance / Celtic seas1992
Grateloupia subpectinataFrance / English Channel1992
Grateloupia subpectinataFrance / Western Mediterranean2001
Grateloupia subpectinataPortugal / AzoresFrom 1914
Grateloupia subpectinataSpain / Iberian Coastal1990
Grateloupia subpectinataUnited Kingdom (Britain) / Celtic seas / Channel Islands1947
Grateloupia turuturuDenmark / Baltic Sea2021
Grateloupia turuturuDenmark / North Sea2021
Grateloupia turuturuFrance / Biscay Gulf1989
Grateloupia turuturuFrance / Celtic seas1989
Grateloupia turuturuFrance / English Channel1992
Grateloupia turuturuFrance / Western Mediterranean1982
Grateloupia turuturuIsrael2013
Grateloupia turuturuItaly / Adriatic Sea1989
Grateloupia turuturuItaly / Central Mediterranean2007
Grateloupia turuturuNetherlands1993
Grateloupia turuturuNorway / North Sea2018
Grateloupia turuturuPortugal / Azores1914
Grateloupia turuturuPortugal / Iberian Coastal1997
Grateloupia turuturuPortugal / MadeiraTo 2002
Grateloupia turuturuSpain / Iberian Coastal1990
Grateloupia turuturuUnited Kingdom (Britain) / Celtic seas1969
Grateloupia turuturuUnited Kingdom (Britain) / English Channel1969
Grateloupia yinggehaiensisItaly / Adriatic Sea2008 - 2013
Griffithsia corallinoidesFrance / English Channel1954
Griffithsia corallinoidesFrance / North Sea1977
Griffithsia corallinoidesFrance / Western Mediterranean1984
Griffithsia corallinoidesItaly / Western Mediterranean1963 - 1964
Griffithsia corallinoidesPortugal / Azores1990
Gymnodinium aureolumBulgaria2008
Gymnodinium aureolumFrance / Biscay Gulf1987
Gymnodinium aureolumFrance / English Channel1976
Gymnodinium aureolumGermany / North SeaTo 1968
Gymnodinium aureolumNorway / North Sea1966
Gymnodinium aureolumNorway / Norwegian Sea1966
Gymnodinium aureolumRomania2007
Gymnodinium aureolumUkraine / Black SeaFrom 2002
Gymnodinium catenatumBulgaria2008
Gymnodinium catenatumGreece / Eastern Mediterranean1989
Gymnodinium catenatumNetherlands1991
Gymnodinium catenatumPortugal / Iberian CoastalTo 1898
Gymnodinium catenatumSpain / Iberian Coastal1976
Gymnodinium catenatumUkraine / Black Sea2001
Gymnodinium catenatumUnited Kingdom (Britain) / English Channel 
Gymnodinium fuscumBulgaria1980 - 1989
Gymnodinium microreticulatumPortugal / Iberian CoastalTo 1999
Gymnodinium nanumBulgaria2008
Gymnodinium nolleriGermany / Baltic SeaTo 1993
Gymnodinium nolleriGermany / North SeaTo 1992
Gymnodinium nolleriSweden / North SeaTo 2003
Gymnodinium pulchrumBulgaria1999
Gymnodinium radiatumGeorgia2000
Gymnodinium radiatumUkraine / Black SeaFrom 1998
Gymnodinium stellatumGeorgia2008
Gymnodinium stellatumRussia / Black Sea2008
Gymnodinium uberrimumBulgaria1991
Gymnodinium uberrimumTurkey / Black Sea1998
Gymnodinium uberrimumUkraine / Black SeaFrom 1999
Gymnogongrus crenulatusAustralia / Bass strait1969
Gymnomuraena zebraDenmark / Baltic Sea2002
Gymnomuraena zebraDenmark / North Sea2002
Gymnophycus hapsiphorusSpain / Canary Islands1989
Gymnothamnion elegansAustralia / Bass strait1993
Gymnothorax reticularisIsrael2013
Gyrodactylus mugiliUkraine / Black SeaFrom 1995
Gyrodactylus salarisNorway / North Sea1971 - 1980
Gyrodactylus salarisNorway / Norwegian Sea1971 - 1980
Gyrodactylus zhukoviUkraine / Black SeaFrom 1995
Gyrodinium cochleaBulgaria2008
Gyrodinium corallinumSweden / North SeaTo 2001
Gyrodinium flagellareBulgaria2008
Gyrodinium impudicumUkraine / Black SeaFrom 2001
Gyrodinium instriatumUkraine / Black SeaFrom 2003
Gyrodinium variansBulgaria2008
Halecium delicatulumAustralia / Bass strait1966
Halichondria paniceaUSA / California Current2012
Haliclona (Haliclona) simulansNetherlands2001
Haliclona (Haliclona) urceolusNetherlands1985
Haliclona (Halicoclona) vansoestiItaly / Central Mediterranean2019
Haliclona (Reniera) cinereaNetherlands1951
Haliclona (Rhizoniera) roseaAustralia / Bass strait1996
Haliclona (Rhizoniera) roseaNetherlands1951
Haliclona indistinctaPortugal / MadeiraTo 2012
Haliclona xenaBelgiumTo 1988
Haliclona xenaGermany / North SeaTo 2007
Haliclona xenaNetherlandsTo 1977
Haliclona xenaUSA / California Current2012
Haliclystus salpinxNetherlands2010
Haliclystus tenuisGermany / North Sea2010
Haligena elaterophoraUkraine / Black Sea1991
Halimede tycheIsrael1998
Haliotis discusChina / Yellow SeaTo 2001
Haliotis discusIreland1985
Haliotis fulgensChina / Yellow SeaTo 2001
Haliotis giganteaChina / Yellow SeaFrom 2004
Haliotis pustulataIsrael1961
Haliotis rufescensChina / Yellow SeaTo 2001
Haliotis tuberculataIreland1976
Halisarca dujardiniiAustralia / Bass strait1996
Halisarca dujardiniiNetherlands2005
Halisarca dujardiniiUSA / California Current2012
Haloa japonicaFrance / Biscay Gulf1993
Haloa japonicaFrance / English Channel2013
Haloa japonicaFrance / Western Mediterranean2003
Haloa japonicaItaly / Adriatic Sea1992
Haloa japonicaItaly / Western Mediterranean2007 - 2012
Haloa japonicaSpain / Iberian Coastal1989
Halophila decipiensGreece / Eastern Mediterranean2018
Halophila stipulaceaFrance / Western Mediterranean2021
Halophila stipulaceaGreece / Central Mediterranean1958
Halophila stipulaceaGreece / Eastern Mediterranean1894
Halophila stipulaceaItaly / Central Mediterranean1988
Halophila stipulaceaItaly / Western Mediterranean1995
Halosarpheia phragmiticolaUkraine / Black Sea2006
Halothrix lumbricalisFrance / Western Mediterranean1985
Halothrix lumbricalisItaly / Adriatic Sea1992
Halothrix lumbricalisItaly / Central Mediterranean1978
Halothrix lumbricalisTurkey / Black Sea1998
Haminoea solitariaDenmark / Baltic Sea2020
Haminoea solitariaDenmark / North Sea2020
Haminoea solitariaGermany / Baltic Sea2016
Haplosporidium armoricanumFrance / English ChannelTo 1974
Haplosporidium armoricanumNetherlands1974
Haplosporidium armoricanumSpain / Iberian Coastal1999
Haplosporidium nelsoniFrance / Biscay Gulf1970 - 1979
Haplosporidium nelsoniFrance / Celtic seas1979
Haplosporidium nelsoniFrance / English Channel1970 - 1979
Haplosporidium nelsoniFrance / North Sea1970 - 1979
Haplosporidium nelsoniFrance / Western Mediterranean1970 - 1979
Haplosporidium nelsoniIreland1993 - 2007
Hediste diversicolorRussia / Caspian Sea1944
Heleobia charruanaBelgiumTo 2018
Heleobia charruanaNetherlands2018
Hemigrapsus penicillatusBelgium2003
Hemigrapsus penicillatusFrance / Biscay Gulf1994
Hemigrapsus penicillatusFrance / Celtic seas1994
Hemigrapsus penicillatusFrance / English Channel1994
Hemigrapsus penicillatusNetherlands2000
Hemigrapsus penicillatusSpain / Iberian CoastalTo 1996
Hemigrapsus sanguineusBelgiumTo 2011
Hemigrapsus sanguineusDenmark / Baltic Sea2017
Hemigrapsus sanguineusDenmark / North Sea2011
Hemigrapsus sanguineusFrance / Biscay Gulf1999
Hemigrapsus sanguineusFrance / English Channel1999
Hemigrapsus sanguineusFrance / North Sea2000
Hemigrapsus sanguineusGermany / North Sea2006
Hemigrapsus sanguineusNetherlands1999
Hemigrapsus sanguineusRomania2008
Hemigrapsus sanguineusSweden / North Sea2012
Hemigrapsus takanoiBelgium2003
Hemigrapsus takanoiDenmark / Baltic Sea2018
Hemigrapsus takanoiDenmark / North Sea2011
Hemigrapsus takanoiFrance / Biscay Gulf1994
Hemigrapsus takanoiFrance / Celtic seas1999
Hemigrapsus takanoiFrance / English Channel1994
Hemigrapsus takanoiFrance / North Sea1999
Hemigrapsus takanoiGermany / Baltic Sea2014
Hemigrapsus takanoiGermany / North Sea2007
Hemigrapsus takanoiNetherlands1999
Hemigrapsus takanoiNorway / North SeaTo 2019
Hemigrapsus takanoiPoland2023
Hemigrapsus takanoiSweden / Baltic SeaTo 2019
Hemigrapsus takanoiSweden / North Sea2016
Hemiliostraca clandestinaIsrael2018
Hemimysis anomalaBelgium1999
Hemimysis anomalaEstonia2009
Hemimysis anomalaFinland1992
Hemimysis anomalaFrance / Celtic seas2000
Hemimysis anomalaFrance / English Channel2000
Hemimysis anomalaFrance / North Sea2000
Hemimysis anomalaGermany / Baltic Sea1995 - 2015
Hemimysis anomalaGermany / North Sea1997
Hemimysis anomalaIreland2007
Hemimysis anomalaLithuania1962
Hemimysis anomalaNetherlands1997
Hemimysis anomalaPoland2002
Hemimysis anomalaRussia / Baltic Sea / Kaliningrad area1962
Hemimysis anomalaRussia / Baltic Sea / St. Petersburg area1992
Hemimysis anomalaSweden / Baltic Sea1995
Hemiramphus farGreece / Eastern Mediterranean1943
Hemiramphus farIsrael1925
Hemiramphus farItaly / Central Mediterranean2013
Heniochus acuminatusUkraine / Black SeaFrom 2003
Heniochus intermediusIsrael2014
Hepatospora eriocheirPoland2020
Herdmania momusGreece / Eastern Mediterranean2010
Herdmania momusIsrael1955
Herklotsichthys punctatusIsrael1943
Herposiphonia parcaFrance / Biscay Gulf2005
Herposiphonia parcaFrance / Western Mediterranean1997
Herposiphonia parcaIsrael2015
Herrmannella dugganiFrance / Biscay Gulf1955
Herrmannella dugganiIreland1982
Hesionides arenariaUkraine / Black Sea1960 - 1969
Hesionura serrataItaly / Adriatic Sea2010
Hesperibalanus fallaxFrance / Biscay Gulf2008
Hesperibalanus fallaxFrance / English Channel1976
Hesperibalanus fallaxPortugal / Iberian Coastal2015
Hesperibalanus fallaxUnited Kingdom (Britain) / Celtic seas1994
Hesperibalanus fallaxUnited Kingdom (Britain) / English Channel1994
Heterolaophonte hamondiIreland1986
Heterosaccus dollfusiIsrael1992
Heterosigma akashiwoDenmark / Baltic Sea1989
Heterosigma akashiwoDenmark / North Sea1989
Heterosigma akashiwoFrance / Biscay Gulf1990
Heterosigma akashiwoFrance / English Channel1993
Heterosigma akashiwoFrance / Western Mediterranean1996
Heterosigma akashiwoGermany / Baltic SeaTo 2012
Heterosigma akashiwoGermany / North SeaTo 1993
Heterosigma akashiwoIceland1987
Heterosigma akashiwoIreland1970 - 1976
Heterosigma akashiwoNetherlandsTo 1992
Heterosigma akashiwoNorway / North Sea1964
Heterosigma akashiwoUnited Kingdom (Britain) / English Channel1950
Heterosigma carteraeNorway / North SeaTo 1979
Heterostegina depressaGreece / Eastern Mediterranean1980 - 1988
Heterostigma sp.Canada / Hudson Bay ComplexTo 2012
Hexaplex trunculusFrance / Biscay Gulf1996
Hexaplex trunculusFrance / Celtic seas1996
Hexaplex trunculusNetherlandsTo 2007
Hexaplex trunculusPortugal / AzoresTo 1919
Hexaplex trunculusPortugal / MadeiraTo 1994
Hexaplex trunculusSpain / Iberian Coastal2005
Hiatella arcticaPortugal / AzoresTo 1969
Hildenbrandia crouaniorumBulgaria2000 - 2009
Hildenbrandia occidentalisAustralia / Bass strait1981
Hildenbrandia occidentalisFrance / English Channel2011
Hildenbrandia rubraAustralia / Bass strait1981
Hillea fusiformisGeorgia2000
Hillea fusiformisRomania1991
Hillea fusiformisRussia / Black Sea2001
Hillea fusiformisUkraine / Black SeaFrom 1948
Himantura uarnakIsrael1954
Hincksia granulosaAustralia / Bass strait1971
Hincksia ovataAustralia / Bass strait1971
Hincksia sandrianaAustralia / Bass strait1971
Hippocampus kudaIsrael1994
Hippopodina iririkiensisIsrael1966
Hippothoa divaricataAustralia / Bass strait1971
Hobaniella longicrurisNetherlandsTo 2009
Hobsonia floridaGermany / Baltic Sea2024
Holocentrus adscensionisFrance / Western Mediterranean2019
Homarus americanusDenmark / Baltic Sea2006
Homarus americanusDenmark / North Sea2006
Homarus americanusFrance / Biscay Gulf2002
Homarus americanusFrance / Celtic seas2002
Homarus americanusFrance / English ChannelTo 2005
Homarus americanusGermany / Baltic Sea2014
Homarus americanusIceland1965
Homarus americanusIreland1961
Homarus americanusNetherlands2010
Homarus americanusNorway / North Sea1999
Homarus americanusNorway / Norwegian SeaTo 2012
Homarus americanusSweden / North Sea2008
Homarus americanusUnited Kingdom (Britain) / North Sea2004
Huso husoDenmark / Baltic Sea2010
Huso husoEstonia1962
Huso husoLatvia1962
Hyastenus hilgendorfiIsrael1960
Hydroides brachyacanthaGreece / Eastern Mediterranean2015
Hydroides brachyacanthaIsrael1933
Hydroides dianthusFrance / Biscay Gulf1927
Hydroides dianthusFrance / Celtic seas1927
Hydroides dianthusFrance / North Sea2000
Hydroides dianthusFrance / Western Mediterranean1967
Hydroides dianthusItaly / Adriatic Sea1874
Hydroides dianthusItaly / Central MediterraneanTo 1899
Hydroides dianthusItaly / Western Mediterranean1865
Hydroides dianthusUkraine / Black Sea2009
Hydroides dianthusUnited Kingdom (Britain) / English Channel1970
Hydroides diramphaFrance / Western Mediterranean2019
Hydroides diramphaGreece / Central Mediterranean1981
Hydroides diramphaGreece / Eastern Mediterranean2014
Hydroides diramphaIsrael1937
Hydroides diramphaItaly / Adriatic Sea2014
Hydroides diramphaItaly / Central Mediterranean1979
Hydroides diramphaItaly / Western Mediterranean1870
Hydroides elegansFrance / Western MediterraneanTo 1944
Hydroides elegansGreece / Central Mediterranean2012
Hydroides elegansGreece / Eastern Mediterranean1976
Hydroides elegansIsrael1955
Hydroides elegansItaly / Adriatic Sea1934 - 1938
Hydroides elegansItaly / Central Mediterranean1964
Hydroides elegansItaly / Western MediterraneanTo 1850
Hydroides elegansNetherlands1973
Hydroides elegansPortugal / AzoresTo 2000
Hydroides elegansUnited Kingdom (Britain) / English Channel1937
Hydroides ezoensisFrance / Biscay Gulf1968
Hydroides ezoensisFrance / Celtic seas1974
Hydroides ezoensisFrance / English Channel1973
Hydroides ezoensisUnited Kingdom (Britain) / English ChannelTo 1976
Hydroides heteroceraIsrael1937
Hydroides homocerosIsrael1955
Hydroides minaxIsrael1990
Hydroides norvegicaAustralia / Bass strait1975
Hydroides operculataIsrael1959
Hymeniacidon perlevisNetherlandsTo 1951
Hymeniacidon sinapiumUSA / California Current2012
Hypania invalidaBelgiumTo 2000
Hypania invalidaGermany / Baltic Sea2010
Hypania invalidaGermany / North Sea1995
Hypania invalidaPoland2010
Hypanis glabraUkraine / Black SeaFrom 2004
Hypereteone heteropodaDenmark / North SeaTo 2017
Hypereteone lightiGermany / North Sea2021
Hypleurochilus bermudensisDenmark / Baltic Sea1934
Hypnea anastomosansGreece / Eastern Mediterranean2008
Hypnea anastomosansIsrael1972
Hypnea cervicornisItaly / Adriatic Sea2009
Hypnea cornutaGreece / Eastern Mediterranean1894
Hypnea cornutaIsrael1945
Hypnea cornutaItaly / Central Mediterranean2000
Hypnea coronaItaly / Central Mediterranean2000
Hypnea flagelliformisPortugal / Azores2005 - 2007
Hypnea musciformisFrance / Biscay Gulf1896
Hypnea musciformisFrance / English Channel1896
Hypnea musciformisFrance / North Sea2005
Hypnea musciformisPortugal / Azores1929
Hypnea spinellaFrance / Western MediterraneanTo 2005
Hypnea spinellaGreece / Central Mediterranean2013
Hypnea spinellaGreece / Eastern Mediterranean1979
Hypnea spinellaItaly / Adriatic Sea2010
Hypnea spinellaItaly / Central Mediterranean1985
Hypnea spinellaItaly / Western Mediterranean1989 - 1990
Hypnea valentiaeFrance / Biscay Gulf2005
Hypnea valentiaeFrance / Western Mediterranean1993
Hypnea valentiaeGreece / Eastern Mediterranean2009
Hypoglossum caloglossoidesIsrael2013
Hypophthalmichthys molitrixBelgiumTo 1988
Hypophthalmichthys molitrixGermany / North SeaTo 1998
Hypophthalmichthys molitrixLatvia1960
Hypophthalmichthys molitrixNetherlandsTo 1998
Hypophthalmichthys molitrixPoland1964
Hypophthalmichthys molitrixRussia / Baltic Sea / Kaliningrad area1958
Hypophthalmichthys nobilisDenmark / Baltic Sea1987
Hypophthalmichthys nobilisEstonia2002
Hypophthalmichthys nobilisLatvia2002
Hypselodoris infucataGreece / Eastern Mediterranean2007
Hypselodoris infucataIsrael1965
Ianiropsis serricaudisFrance / Biscay Gulf2013
Ianiropsis serricaudisFrance / English Channel2019
Ianiropsis serricaudisFrance / Western MediterraneanFrom 2015
Ianiropsis serricaudisGermany / North Sea2022
Ianiropsis serricaudisItaly / Adriatic Sea2012
Ianiropsis serricaudisItaly / Western Mediterranean2014
Ianiropsis serricaudisNetherlands2000
Ianiropsis serricaudisUnited Kingdom (Britain) / English Channel2004
Ictalurus punctatusEstonia2001
Idyella pallidulaUkraine / Black SeaFrom 1964
Imogine necopinataNetherlandsTo 2005
Incisocalliope aestuariusBelgiumTo 1991
Incisocalliope aestuariusFrance / Biscay Gulf2015
Incisocalliope aestuariusGermany / North SeaTo 2016
Incisocalliope aestuariusNetherlands1991
Indothais laceraIsrael1928
Indothais laceraItaly / Western Mediterranean1983
Indothais sacellumIsrael2004
Iphigenella shablensisRussia / Caspian Sea1969
Iphione muricataIsrael2015
Iridaea spIreland1972
Isochrysis spp.Ireland1970 - 1979
Isognomon bicolorItaly / Central Mediterranean2017 - 2019
Isognomon bicolorItaly / Western Mediterranean2020
Isognomon legumenGreece / Eastern Mediterranean2016
Isognomon legumenIsrael2015
Isognomon radiatusIreland1996
Isolda pulchellaPortugal / Iberian CoastalTo 2017
Istiblennius meleagrisIsrael2016
Ixa monodiGreece / Eastern Mediterranean1999
Ixa monodiIsrael1977
Jaera (Jaera) istriBelgiumTo 2000
Jaera (Jaera) istriGermany / North Sea1995
Jania longifurcaPortugal / Azores1986
Jania longifurcaTurkey / Black Sea2000 - 2009
Janolus hyalinusAustralia / Bass strait1986
Jassa marmorataAustralia / Bass strait1997
Jassa marmorataBelgiumTo 2011
Jassa marmorataDenmark / North Sea2003
Jassa marmorataFrance / Biscay GulfTo 1992
Jassa marmorataGermany / Baltic Sea2010
Jassa marmorataGermany / North Sea1999
Jassa marmorataIrelandTo 1983
Jassa marmorataItaly / Adriatic Sea1977 - 1981
Jassa marmorataItaly / Central MediterraneanFrom 1976
Jassa marmorataItaly / Western Mediterranean1974
Jassa marmorataNetherlandsTo 2009
Jassa marmorataPortugal / Madeira1991
Jassa marmorataUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 2013
Jassa slatteryiItaly / Adriatic Sea2000
Jassa slatteryiItaly / Central Mediterranean1952
Jassa slatteryiItaly / Western Mediterranean2007
Jasus lalandiiPortugal / Iberian CoastalTo 1982
Jaydia quekettiIsrael2007
Jaydia smithiIsrael2007
Jellyella tuberculataSpain / Canary IslandsTo 2003
Joculator problematicusIsrael2018
Kaloplocamus ramosusAustralia / Bass straitTo 1950
Kapraunia schneideriItaly / Adriatic Sea2016
Karenia brevisulcataFrance / Biscay Gulf2009
Karenia mikimotoiDenmark / Baltic Sea1968
Karenia mikimotoiDenmark / North Sea1968
Karenia mikimotoiFrance / Biscay GulfTo 1985
Karenia mikimotoiFrance / Celtic seas1976
Karenia mikimotoiFrance / English Channel1976
Karenia mikimotoiFrance / North Sea1989
Karenia mikimotoiFrance / Western MediterraneanTo 1985
Karenia mikimotoiGermany / Baltic Sea1981 - 1989
Karenia mikimotoiGermany / North Sea1968
Karenia mikimotoiGreece / Eastern Mediterranean1989
Karenia mikimotoiIreland1976
Karenia mikimotoiNetherlands1989
Karenia mikimotoiNorway / North SeaTo 1966
Karenia mikimotoiPortugal / Iberian CoastalTo 2007
Karenia mikimotoiSpain / Iberian CoastalTo 2006
Karenia mikimotoiSweden / Baltic Sea1980 - 1987
Karenia mikimotoiSweden / North Sea1981
Karenia mikimotoiUnited Kingdom (Britain) / Celtic seas1971
Karenia mikimotoiUnited Kingdom (Britain) / English Channel1971
Karenia mikimotoiUnited Kingdom (Britain) / North Sea2006
Karenia mikimotoiUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2006
Karenia papilionaceaFrance / Biscay Gulf1994
Karenia papilionaceaFrance / Celtic seas1994
Karenia papilionaceaFrance / English Channel1994
Karenia umbellaFrance / Biscay Gulf2008
Karenia umbellaFrance / English Channel2008
Karlodinium decipiensFrance / Biscay Gulf2009
Karlodinium decipiensFrance / English Channel2010
Karlodinium veneficumGermany / North SeaTo 2009
Karlodinium veneficumNorway / North SeaTo 2002
Kellicottia bostoniensisPoland2022
Kirchenpaueria halecioidesPortugal / AzoresTo 1989
Kirchenpaueria halecioidesPortugal / Madeira1980
Koinostylochus ostreophagusFrance / Biscay Gulf1970 - 1979
Koinostylochus ostreophagusFrance / Celtic seas1979
Koinostylochus ostreophagusFrance / English Channel1970
Kuckuckia spinosaAustralia / Bass strait1971
Kyphosus sectatrixFrance / Western Mediterranean2006
Labyrinthula zosteraeGermany / North Sea1935
Labyrinthula zosteraeIreland1926 - 1934
Laeospira berkeleyanaFrance / Western Mediterranean1977
Laeospira berkeleyanaPortugal / MadeiraTo 1980
Laevichlamys superficialisIsrael2020
Lagocephalus guentheriGreece / Central Mediterranean2005
Lagocephalus guentheriGreece / Eastern Mediterranean1952
Lagocephalus guentheriIsrael1951
Lagocephalus sceleratusGreece / Adriatic Sea2018
Lagocephalus sceleratusGreece / Central Mediterranean2009
Lagocephalus sceleratusGreece / Eastern Mediterranean2005
Lagocephalus sceleratusIsrael2004
Lagocephalus sceleratusItaly / Adriatic Sea2014
Lagocephalus sceleratusItaly / Central Mediterranean2013 - 2014
Lagocephalus sceleratusItaly / Western Mediterranean2014
Lagocephalus sceleratusSpain / Iberian Coastal2014
Lagocephalus suezensisGreece / Eastern Mediterranean2003
Lagocephalus suezensisIsrael1987
Laminaria ochroleucaIreland2018
Lamprohaminoea ovalisFrance / Western Mediterranean2021
Lamprohaminoea ovalisGreece / Central Mediterranean2001
Lamprohaminoea ovalisGreece / Eastern Mediterranean2005
Lamprohaminoea ovalisItaly / Central Mediterranean2007
Lamprohaminoea ovalisItaly / Western Mediterranean2008
Laonome calidaBelgiumTo 2014
Laonome calidaNetherlands2009
Laonome sp.Estonia2012
Laonome sp.Latvia2014
Laonome sp.Poland2015
Laonome sp.Sweden / Baltic Sea2014
Laonome triangularisItaly / Western Mediterranean2023
Laonome xeprovala sp. nov.Finland2016
Laonome xeprovala sp. nov.Germany / Baltic Sea2016
Laonome xeprovala sp. nov.Germany / North Sea2016
Lateolabrax japonicusUkraine / Azov Sea1960 - 1979
Lateolabrax japonicusUkraine / Black Sea1960 - 1979
Laternula anatinaIsrael1958
Laticorophium baconiFrance / Western Mediterranean2020
Latopilumnus malardiFrance / English Channel1910
Laurencia brongniartiiFrance / Celtic seas1989
Laurencia brongniartiiFrance / English Channel1989
Laurencia brongniartiiPortugal / Azores2005 - 2007
Laurencia caduciramulosaFrance / Western Mediterranean2002
Laurencia caduciramulosaGreece / Central Mediterranean2001
Laurencia caduciramulosaGreece / Eastern Mediterranean2009
Laurencia caduciramulosaIsrael2013
Laurencia caduciramulosaItaly / Central Mediterranean1991
Laurencia chondrioidesGreece / Central Mediterranean1998
Laurencia chondrioidesGreece / Eastern Mediterranean2006
Laurencia chondrioidesPortugal / Azores2005 - 2007
Laurencia dendroideaPortugal / Azores2005 - 2007
Laurencia majusculaPortugal / Azores2005 - 2007
Laurencia majusculaPortugal / MadeiraTo 2001
Laurencia minutaIsrael2015
Laurencia okamuraeFrance / Western Mediterranean1984
Leathesia marinaAustralia / Bass strait1971
Leathesia marinaFrance / Western Mediterranean1905
Leathesia marinaItaly / Adriatic Sea1996
Leathesia marinaPortugal / Azores1897
Lecithochirium magnicaudatumIsrael1977
Leiocapitellides analisGreece / Eastern Mediterranean2000
Leiochrides australisItaly / Western Mediterranean1990
Lennoxia faveolataGermany / Baltic Sea2009
Lennoxia faveolataGermany / North Sea2009
Lennoxia faveolataSweden / Baltic Sea2007
Leonnates decipiensIsrael1989
Leonnates indicusIsrael1991
Leonnates persicusGreece / Eastern Mediterranean2013
Leonnates persicusIsrael1937
Lepidodinium chlorophorumDenmark / Baltic Sea1999
Lepidodinium chlorophorumDenmark / North Sea1999
Lepidonotus tenuisetosusGreece / Eastern Mediterranean2008
Lepidonotus tenuisetosusIsrael1969
Lepidonotus tenuisetosusItaly / Adriatic Sea2023
Lepomis gibbosusNorway / North SeaTo 2004
Lepomis gibbosusPoland1927
Lepomis gibbosusUkraine / Black Sea1949 - 2002
Leptochela pugnaxIsrael1947
Leptomesochra tenuicornisRussia / Black Sea1999
Leptosiphonia brodieiAustralia / Bass strait1959
Lernanthropus callionymicolaIsrael2008
Lessardia elongataBulgaria2008
Lessardia elongataRomania2004
Leucosolenia eleanorUSA / California Current2012
Leucosolenia somesiiNetherlandsTo 1996
Leucotina natalensisIsrael1978
Liagora viscidaTurkey / Black Sea2000 - 2009
Licornia jolloisiiIsrael1975
Ligia italicaPortugal / AzoresTo 1887
Ligia oceanicaPortugal / AzoresTo 1998
Ligophorus kaohsianghsieniUkraine / Black Sea1994
Ligophorus llewellyniUkraine / Black Sea2007
Ligophorus pilengasUkraine / Black Sea1996
Limnodrilus cervixBelgiumTo 2009
Limnodrilus cervixPoland2010
Limnomysis benedeniBelgiumTo 2005
Limnomysis benedeniGermany / Baltic Sea2010
Limnomysis benedeniLatvia1966
Limnomysis benedeniLithuania1962
Limnomysis benedeniRussia / Baltic Sea / Kaliningrad area1962
Limnoria lignorumFrance / English ChannelTo 1868
Limnoria lignorumNetherlands1885 - 1886
Limnoria quadripunctataFrance / Biscay Gulf1968
Limnoria quadripunctataFrance / English Channel1998
Limnoria quadripunctataFrance / Western Mediterranean2014
Limnoria quadripunctataIreland1959
Limnoria quadripunctataNetherlandsTo 1949
Limnoria quadripunctataPortugal / Iberian CoastalTo 1995
Limnoria quadripunctataUnited Kingdom (Britain) / Celtic seas1930 - 1939
Limnoria quadripunctataUnited Kingdom (Britain) / English Channel1930 - 1939
Limnoria tripunctataFrance / Biscay Gulf1968
Limnoria tripunctataPortugal / Iberian Coastal1960 - 1979
Limnoria tripunctataUnited Kingdom (Britain) / Celtic seas1950 - 1959
Limnoria tripunctataUnited Kingdom (Britain) / English Channel1950 - 1959
Limulus polyphemusDenmark / Baltic Sea1968
Limulus polyphemusDenmark / North Sea1968
Limulus polyphemusGermany / North Sea1866
Limulus polyphemusNetherlands1873
Limulus polyphemusSweden / North Sea 
Linguimaera caesarisIsrael1952
Linguimaera caesarisItaly / Central Mediterranean2019
Linopherus canariensisGreece / Eastern Mediterranean2007
Linopherus canariensisIsrael1972
Linopherus canariensisItaly / Central Mediterranean2008
Linopherus canariensisItaly / Western Mediterranean2008
Lioberus ligneusIsrael2020
Lioloma pacificumBulgaria2008
Lioloma pacificumGeorgia2007
Lioloma pacificumRomania2001
Lioloma pacificumRussia / Black Sea2005
Lioloma pacificumUkraine / Black SeaFrom 1999
Lissodendoryx isodictyalisAustralia / Bass strait1882
Lithoglyphus naticoidesBelgiumTo 1924
Lithoglyphus naticoidesGermany / Baltic SeaTo 1883
Lithoglyphus naticoidesPoland1873
Lithoglyphus naticoidesRussia / Baltic Sea / Kaliningrad area1801 - 1899
Lithognathus mormyrusPortugal / Madeira1967
Lithognathus mormyrusRomaniaFrom 1980
Lithognathus mormyrusUkraine / Black Sea2013
Lithophyllum orbiculatumTurkey / Black Sea2000 - 2009
Lithophyllum yessoenseFrance / Western Mediterranean1993
Litopenaeus stylirostrisChina / Yellow SeaTo 2002
Litopenaeus vannameiChina / Yellow SeaTo 2005
Litosiphon laminariaeUnited Kingdom (Britain) / English Channel1900
Littorina saxatilisItaly / Adriatic SeaTo 1792
Livoneca redmaniiSpain / Iberian CoastalTo 2016
Liza aurataRussia / Caspian Sea1930 - 1934
Liza carinataIsrael1970
Liza saliensRussia / Caspian Sea1930 - 1935
Lobophora lessepsianaIsrael1960
Lobophora schneideriIsrael2016
Loimia medusaFrance / Biscay Gulf2003
Loimia medusaFrance / English Channel2000
Lomentaria flaccidaFrance / Western Mediterranean2002
Lomentaria hakodatensisFrance / Biscay Gulf2005
Lomentaria hakodatensisFrance / Celtic seas1984
Lomentaria hakodatensisFrance / English Channel1984
Lomentaria hakodatensisFrance / Western Mediterranean1979
Lomentaria hakodatensisItaly / Adriatic Sea2000
Lomentaria hakodatensisNetherlands2004
Lomentaria hakodatensisPortugal / Iberian CoastalFrom 2008
Lomentaria hakodatensisSpain / Iberian Coastal1992
Lophocladia lallemandiiFrance / Western Mediterranean2021
Lophocladia lallemandiiGreece / Central Mediterranean1975
Lophocladia lallemandiiGreece / Eastern Mediterranean1908
Lophocladia lallemandiiIsrael1953
Lophocladia lallemandiiItaly / Adriatic SeaTo 1978
Lophocladia lallemandiiItaly / Central Mediterranean1969
Lophocladia lallemandiiItaly / Western Mediterranean1971
Lovenella assimilisBelgiumTo 2012
Lovenella assimilisFrance / English ChannelTo 2007
Loxomitra kefersteiniiUnited Kingdom (Britain) / Celtic seas1950
Loxosomella antedonisUnited Kingdom (Britain) / Celtic seas1950 - 1959
Ludwigia grandiflora (Michx.)Germany / North Sea2009
Lulwoana uniseptataUkraine / Black SeaFrom 2001
Lumbrinerides acutiformisItaly / Central Mediterranean1995
Lumbrinerides neogesaeGreece / Central Mediterranean2002
Lumbrinerides neogesaeItaly / Adriatic Sea1991
Lumbrinerides neogesaeItaly / Western Mediterranean1991
Lumbrineris crassicephalaPortugal / Iberian CoastalTo 2017
Lumbrineris perkinsiItaly / Adriatic Sea2019
Lumbrineris perkinsiItaly / Central MediterraneanTo 1985
Lumbrineris perkinsiItaly / Western Mediterranean1975 - 1976
Lumbrineris zatsepiniCanada / Hudson Bay ComplexTo 2012
Lutjanus argentimaculatusGreece / Eastern Mediterranean2019
Lutjanus argentimaculatusIsrael2018
Lutjanus sebaeGreece / Eastern Mediterranean2010
Lutjanus sebaeItaly / Western Mediterranean2016
Lychaete herpesticaIsrael1955
Lymnaea sp.United Kingdom (Britain) / Celtic seas / Channel Islands 
Lyrodus pedicellatusFrance / Biscay Gulf2009
Lyrodus pedicellatusFrance / Western Mediterranean2014
Lyrodus pedicellatusGreece / Eastern Mediterranean1940
Lyrodus pedicellatusPortugal / AzoresTo 1940
Lyrodus pedicellatusPortugal / Iberian CoastalTo 2002
Lyrodus pedicellatusPortugal / MadeiraTo 1940
Lyrodus pedicellatusUnited Kingdom (Britain) / English Channel1938
Lysidice collarisFrance / Western Mediterranean2022
Lysidice collarisGreece / Central Mediterranean2000
Lysidice collarisGreece / Eastern Mediterranean1975
Lysidice collarisIsrael1970
Lysidice collarisItaly / Central Mediterranean1961
Lysidice collarisItaly / Western MediterraneanTo 2007
Macrobrachium rosenbergiiUkraine / Azov Sea1980 - 1990
Macrobrachium rosenbergiiUkraine / Black Sea1980 - 1990
Macrocystis pyriferaFrance / Celtic seas1972
Macrocystis pyriferaFrance / English Channel1972
Macromedaeus voeltzkowiFrance / Celtic seas1910
Macromedaeus voeltzkowiFrance / English Channel1910
Macrophthalmus (Macrophthalmus) indicusGreece / Eastern Mediterranean2009
Macrophthalmus (Macrophthalmus) indicusIsrael2002
Macrorhynchia philippinaIsrael2004
Macrorhynchia philippinaPortugal / Madeira1993
Mactra lilaceaIsrael2001
Mactra olorinaIsrael1973
Maeotias marginataEstonia1999
Maeotias marginataFinland2012
Maeotias marginataFrance / Biscay Gulf1971
Maeotias marginataFrance / Celtic seas1971
Maeotias marginataPortugal / AzoresTo 2002
Maeotias marginataPortugal / Iberian Coastal2009
Magallana angulataFrance / Biscay Gulf1866
Magallana angulataGermany / North Sea1913
Magallana angulataNetherlandsTo 1928
Magallana gigasAustralia / Bass strait1955
Magallana gigasBelgium1960 - 1969
Magallana gigasChina / Yellow SeaTo 2004
Magallana gigasDenmark / Baltic Sea1972
Magallana gigasDenmark / North Sea1972
Magallana gigasFrance / Biscay Gulf1868
Magallana gigasFrance / Celtic seas1866
Magallana gigasFrance / English Channel1970
Magallana gigasFrance / Western Mediterranean1962
Magallana gigasGermany / Baltic Sea1970 - 1979
Magallana gigasGermany / North Sea1984
Magallana gigasIreland1877
Magallana gigasItaly / Adriatic Sea1964
Magallana gigasItaly / Central MediterraneanTo 1968
Magallana gigasItaly / Western MediterraneanTo 1936
Magallana gigasNetherlands1965
Magallana gigasNorway / North Sea2005
Magallana gigasPortugal / Iberian CoastalTo 1700
Magallana gigasRomania2003
Magallana gigasSpain / Iberian Coastal1801 - 1900
Magallana gigasSweden / North Sea2007
Magallana gigasUkraine / Black Sea1900 - 1909
Magallana gigasUnited Kingdom (Britain) / Celtic seas1965
Magallana gigasUnited Kingdom (Britain) / English Channel1965
Magallana gigasUnited Kingdom (Britain) / North Sea1926
Magallana gigasUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1991
Magelona mirabilisUkraine / Black SeaFrom 1997
Malleus regulaGreece / Eastern Mediterranean1990 - 1996
Malleus regulaIsrael1937
Malleus regulaItaly / Central Mediterranean2018
Mantoniella squamataRomania1980 - 1989
Marenzelleria arctiaRussia / Baltic Sea / St. Petersburg area2009
Marenzelleria arctiaSweden / Baltic Sea2004
Marenzelleria neglectaBelgiumTo 2008
Marenzelleria neglectaDenmark / Baltic Sea2006
Marenzelleria neglectaDenmark / North Sea2001
Marenzelleria neglectaEstonia1994
Marenzelleria neglectaFinland1990
Marenzelleria neglectaGermany / Baltic Sea1985
Marenzelleria neglectaGermany / North Sea1997
Marenzelleria neglectaLatvia1988
Marenzelleria neglectaLithuania1988
Marenzelleria neglectaNetherlandsTo 2001
Marenzelleria neglectaPoland1986
Marenzelleria neglectaRussia / Baltic Sea / Kaliningrad area1988
Marenzelleria neglectaRussia / Baltic Sea / St. Petersburg area1996
Marenzelleria neglectaSweden / Baltic Sea1990
Marenzelleria neglectaSweden / North Sea 
Marenzelleria viridisBelgium1996
Marenzelleria viridisDenmark / Baltic Sea1997
Marenzelleria viridisDenmark / North Sea1990
Marenzelleria viridisFrance / English Channel2009
Marenzelleria viridisFrance / North Sea2009
Marenzelleria viridisGermany / Baltic Sea1985
Marenzelleria viridisGermany / North Sea1983
Marenzelleria viridisIreland2011
Marenzelleria viridisLithuania2010 - 2013
Marenzelleria viridisNetherlands1983
Marenzelleria viridisNorway / North SeaTo 1997
Marenzelleria viridisSweden / Baltic Sea1996 - 2005
Marenzelleria viridisSweden / North Sea2002 - 2003
Marenzelleria viridisUnited Kingdom (Britain) / North Sea1982
Marenzelleria wireniFrance / English Channel2009
Marenzelleria wireniFrance / North Sea2009
Margalefidinium polykrikoidesBulgaria2008
Margalefidinium polykrikoidesRussia / Black Sea2000
Margalefidinium polykrikoidesUkraine / Black SeaFrom 2001
Maritigrella fuscopunctataIsrael2013
Marivagia stellataIsrael2006
Marphysa sanguineaBelgiumTo 2010
Marphysa sanguineaFrance / Biscay GulfTo 2010
Marphysa sanguineaNetherlands1990
Marphysa victoriFrance / Biscay GulfFrom 1970
Marteilia refringensFrance / Celtic seas1968
Marteilia refringensFrance / English ChannelTo 2004
Marteilia refringensGreece / Eastern Mediterranean1997
Marteilia refringensNetherlands1974
Marteilia refringensSpain / Iberian CoastalTo 1975
Marteilia refringensSweden / North Sea2009
Martesia striataIreland1860
Mastocarpus stellatusPortugal / Azores1987
Matuta victorGreece / Eastern Mediterranean2018
Matuta victorIsrael2012
Mawia benoviciItaly / Adriatic Sea2013
Medeiothamnion lyalliiAustralia / Bass strait1962
Mediomastus capensisItaly / Western Mediterranean1985
Mediopyxis helysiaGermany / North Sea2003
Mediopyxis helysiaIceland2007
Mediopyxis helysiaNetherlandsTo 2010
Megabalanus coccopomaBelgium1997
Megabalanus coccopomaFrance / North Sea1851
Megabalanus coccopomaNetherlands1976
Megabalanus tintinnabulumBelgium1998
Megabalanus tintinnabulumFrance / Biscay Gulf1970
Megabalanus tintinnabulumFrance / Celtic seas 
Megabalanus tintinnabulumFrance / English Channel2007
Megabalanus tintinnabulumFrance / North Sea2007
Megabalanus tintinnabulumGreece / Eastern Mediterranean2010
Megabalanus tintinnabulumIreland1830 - 1843
Megabalanus tintinnabulumNetherlands1764
Megabalanus tintinnabulumPortugal / Iberian Coastal2016
Megabalanus tulipiformisFrance / Biscay Gulf1956
Melanella orientalisIsrael2018
Melanochlamys diomedeaIceland2020
Melanothamnus harveyiBelgiumTo 2000
Melanothamnus harveyiDenmark / Baltic SeaTo 1982
Melanothamnus harveyiDenmark / North Sea1986
Melanothamnus harveyiFrance / Biscay Gulf1975
Melanothamnus harveyiFrance / Celtic seas1832
Melanothamnus harveyiFrance / English Channel1832
Melanothamnus harveyiFrance / Western Mediterranean1958
Melanothamnus harveyiGermany / Baltic SeaTo 1982
Melanothamnus harveyiGermany / North Sea1972
Melanothamnus harveyiGreece / Eastern Mediterranean2006
Melanothamnus harveyiIrelandTo 1979
Melanothamnus harveyiIsrael2015
Melanothamnus harveyiItaly / Western MediterraneanTo 1969
Melanothamnus harveyiNetherlands1960
Melanothamnus harveyiNorway / North Sea1983
Melanothamnus harveyiNorway / Norwegian SeaTo 2012
Melanothamnus harveyiPortugal / Azores2005 - 2007
Melanothamnus harveyiPortugal / Iberian CoastalFrom 2003
Melanothamnus harveyiSpain / Canary Islands1991
Melanothamnus harveyiSpain / Iberian CoastalTo 1998
Melanothamnus harveyiSweden / North Sea1990
Melanothamnus harveyiUnited Kingdom (Britain) / Celtic seas1908
Melanothamnus harveyiUnited Kingdom (Britain) / English Channel1908
Melanothamnus harveyiUnited Kingdom (Britain) / North Sea1908 - 1965
Melanothamnus harveyiUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Melanothamnus japonicusItaly / Adriatic SeaTo 1999
Melibe viridisGreece / Central Mediterranean1970
Melibe viridisGreece / Eastern Mediterranean1994
Melibe viridisIsrael2009
Melibe viridisItaly / Central Mediterranean1984
Melibe viridisItaly / Western Mediterranean2007
Melita nitidaBelgiumTo 1996
Melita nitidaFrance / Biscay Gulf2013
Melita nitidaFrance / English Channel2003
Melita nitidaFrance / North Sea2003
Melita nitidaGermany / Baltic Sea2010
Melita nitidaGermany / North SeaTo 2011
Melita nitidaNetherlands1998
Melita nitidaPoland2014
Melithaea erythraeaIsrael1999
Membranipora membranaceaAustralia / Bass strait1879
Membranipora membranaceaCanada / Bay of Fundy2013
Membranipora membranaceaCanada / Northern Gulf of St. Lawrence2002
Membranipora membranaceaCanada / Northern Newfoundland2008
Membranipora membranaceaCanada / South-eastern Scotian Shelf1992
Membranipora membranaceaCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2006
Membranipora membranaceaCanada / Southern Newfoundland and Southern Grand Banks2006
Menaethius monocerosItaly / Western Mediterranean1978
Menippe mercenariaFrance / English Channel2007
Mercenaria mercenariaBelgium1933
Mercenaria mercenariaFrance / Biscay Gulf1936 - 1939
Mercenaria mercenariaFrance / Celtic seas1861
Mercenaria mercenariaFrance / English Channel1861
Mercenaria mercenariaFrance / North Sea1930
Mercenaria mercenariaFrance / Western Mediterranean1965
Mercenaria mercenariaIreland1969
Mercenaria mercenariaItaly / Adriatic Sea1998
Mercenaria mercenariaItaly / Western Mediterranean1983
Mercenaria mercenariaNetherlands1933
Mercenaria mercenariaPortugal / Iberian CoastalTo 2010
Mercenaria mercenariaSpain / Iberian CoastalTo 1978
Mercenaria mercenariaUnited Kingdom (Britain) / English Channel1884
Mercenaria mercenariaUnited Kingdom (Britain) / North Sea1864
Mesanthura romuleaItaly / Central Mediterranean2000
Mesanthura romuleaItaly / Western Mediterranean2000
Mesocalanus tenuicornisRomania1978
Metacalanus acutioperculumItaly / Central Mediterranean1995
Metacarcinus novaezelandiaeAustralia / Bass strait1930
Metapenaeopsis aegyptiaGreece / Eastern Mediterranean1996
Metapenaeopsis aegyptiaIsrael1987
Metapenaeopsis mogiensis consobrinaGreece / Eastern Mediterranean1995
Metapenaeopsis mogiensis consobrinaIsrael1996
Metapenaeus monocerosIsrael1951
Metapenaeus stebbingiIsrael1958
Metasychis gotoiFrance / Biscay Gulf2003
Metaxia bacillumIsrael1978
Micippa thaliaIsrael2014
Microcirce consternansIsrael2011
Microcosmus exasperatusIsrael2004
Microcosmus exasperatusPortugal / Madeira1993
Microcosmus squamigerFrance / Western Mediterranean1979
Microcosmus squamigerItaly / Central Mediterranean1977
Microcosmus squamigerItaly / Western Mediterranean1971
Microcosmus squamigerPortugal / AzoresTo 2009
Microcosmus squamigerPortugal / Iberian CoastalTo 2006
Microcosmus squamigerPortugal / Madeira2006
Microcosmus squamigerSpain / Iberian CoastalTo 2007
Micromesistius poutassouUkraine / Black SeaFrom 1999
Microphthalmus similisGermany / North Sea1962
Microphthalmus similisNetherlands1962
Micropogonias undulatusBelgium1998
Micropogonias undulatusDenmark / North Sea2008
Micropogonias undulatusNetherlands2003
Microporella ciliataAustralia / Bass strait1879
Microporella ciliataSpain / Canary IslandsTo 2003
Microporella coronataGreece / Eastern Mediterranean1967
Microporella coronataItaly / Central Mediterranean1991
Microporella harmeriIsrael2010
Micropterus dolomieuFinland1966
Micropterus dolomieuNetherlandsTo 2017
Micropterus dolomieuSweden / North Sea1890 - 1899
Micropterus salmoidesFinland1924
Micropterus salmoidesFrance / English ChannelTo 2017
Micropterus salmoidesGermany / North SeaTo 2017
Micropterus salmoidesNetherlandsTo 2005
Micropterus salmoidesPortugal / Iberian CoastalTo 2017
Miliolinella fichtelianaGreece / Central Mediterranean2006
Miliolinella fichtelianaGreece / Eastern Mediterranean2006
Millerigobius macrocephalusUkraine / Black Sea2009
Mimachlamys sanguineaIsrael2011
Mitrella psillaItaly / Western Mediterranean2016
Mizuhopecten yessoensisChina / Yellow SeaTo 1980
Mizuhopecten yessoensisFrance / Celtic seas1977 - 1981
Mizuhopecten yessoensisFrance / English Channel1977 - 1981
Mizuhopecten yessoensisIreland1990
Mnemiopsis leidyiBelgium2007
Mnemiopsis leidyiBulgaria1986
Mnemiopsis leidyiDenmark / Baltic Sea2005
Mnemiopsis leidyiDenmark / North Sea2005
Mnemiopsis leidyiFrance / Biscay Gulf2005
Mnemiopsis leidyiFrance / Celtic seas2009
Mnemiopsis leidyiFrance / English Channel2005
Mnemiopsis leidyiFrance / North Sea2009
Mnemiopsis leidyiFrance / Western Mediterranean2004
Mnemiopsis leidyiGeorgia1997
Mnemiopsis leidyiGermany / Baltic Sea2006
Mnemiopsis leidyiGermany / North Sea2006
Mnemiopsis leidyiGreece / Eastern Mediterranean1990
Mnemiopsis leidyiIran / Caspian SeaFrom 1995
Mnemiopsis leidyiIsrael2009
Mnemiopsis leidyiItaly / Adriatic Sea2016
Mnemiopsis leidyiItaly / Central Mediterranean2009
Mnemiopsis leidyiItaly / Western Mediterranean2009
Mnemiopsis leidyiNetherlands1990 - 1999
Mnemiopsis leidyiNorway / North Sea2005
Mnemiopsis leidyiPoland2007
Mnemiopsis leidyiRomaniaFrom 1989
Mnemiopsis leidyiRussia / Baltic Sea / Kaliningrad area2007
Mnemiopsis leidyiRussia / Black Sea1982
Mnemiopsis leidyiSweden / Baltic Sea2006
Mnemiopsis leidyiSweden / North Sea2006
Mnemiopsis leidyiTurkey / Black SeaFrom 1991
Mnemiopsis leidyiUkraine / Azov SeaFrom 1982
Mnemiopsis leidyiUkraine / Black SeaFrom 1982
Mnestia girardiGreece / Eastern Mediterranean1994
Mnestia girardiIsrael2004
Modiolus auriculatusIsrael1935
Moerisia inkermanicaGermany / Baltic Sea2018
Moerisia inkermanicaItaly / Western Mediterranean1987
Moerisia inkermanicaNetherlands1959
Molgula manhattensisAustralia / Bass strait1967
Molgula manhattensisBelgiumTo 2018
Molgula manhattensisDenmark / Baltic Sea1973
Molgula manhattensisDenmark / North Sea1983
Molgula manhattensisFrance / Celtic seas1849
Molgula manhattensisFrance / English Channel1840 - 1849
Molgula manhattensisFrance / Western Mediterranean1969
Molgula manhattensisGermany / North SeaTo 2009
Molgula manhattensisIceland2018
Molgula manhattensisIreland1998
Molgula manhattensisNetherlandsTo 1762
Molgula manhattensisNorway / Barents SeaTo 1997
Molgula manhattensisNorway / North SeaTo 1997
Molgula manhattensisNorway / Norwegian SeaTo 1997
Molgula manhattensisPortugal / Iberian Coastal2002 - 2016
Molgula manhattensisRomania1901 - 2000
Molgula manhattensisSweden / North Sea2002
Molgula manhattensisUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Molgula planaPortugal / AzoresTo 1969
Molva sp.Ukraine / Black Sea2006
Monocorophium acherusicumAustralia / Bass strait1968
Monocorophium acherusicumFrance / North Sea1965
Monocorophium acherusicumIrelandTo 2007
Monocorophium acherusicumSpain / Iberian CoastalTo 1990
Monocorophium acherusicumUnited Kingdom (Britain) / Celtic seas1950 - 1959
Monocorophium acherusicumUnited Kingdom (Britain) / North Sea1997
Monocorophium acherusicumUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1997
Monocorophium insidiosumAustralia / Bass strait1996
Monocorophium insidiosumIreland2002
Monocorophium insidiosumUnited Kingdom (Britain) / North Sea1997
Monocorophium insidiosumUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1997
Monocorophium sextonaeAustralia / Bass strait1995
Monocorophium sextonaeBelgiumTo 2000
Monocorophium sextonaeFrance / Biscay Gulf1936
Monocorophium sextonaeFrance / Celtic seas1936
Monocorophium sextonaeFrance / English Channel1936
Monocorophium sextonaeFrance / North Sea1976
Monocorophium sextonaeGermany / North Sea1997
Monocorophium sextonaeIreland1982
Monocorophium sextonaeNetherlands1952
Monocorophium sextonaeNorway / North Sea1985
Monocorophium sextonaeSpain / Iberian CoastalTo 2003
Monocorophium sextonaeUnited Kingdom (Britain) / Celtic seas1930
Monocorophium sextonaeUnited Kingdom (Britain) / English Channel1930 - 1939
Monocorophium sextonaeUnited Kingdom (Britain) / North SeaTo 2005
Monocorophium uenoiFrance / Biscay Gulf2007
Monocorophium uenoiGermany / North Sea2016
Monocorophium uenoiNetherlands2013
Monodacna colorataRussia / Caspian Sea1955
Monophorus perversusSpain / Iberian CoastalTo 1996
Monopylephorus limosusBelgiumTo 2002
Monosporus indicusIsrael2015
Monotygma lautaIsrael1967
Monotygma watsoniIsrael2011
Monstrilla grandisBulgaria1912
Monstrilla grandisRomania1961
Monstrilla helgolandicaRomania1961
Monstrilla longicornisRomania1961
Morone saxatilisGeorgia1965
Morone saxatilisNetherlandsTo 1998
Morone saxatilisUkraine / Black SeaFrom 1965
Morula asperaIsrael2015
Muceddina multispinosaIreland1982
Mucropetraliella thenardiiIsrael2016
Mugil soiuyBulgaria1970 - 1979
Mugil soiuyGeorgia1975
Mugil soiuyRomaniaFrom 1975
Mugil soiuyRussia / Black Sea1970 - 1979
Mugil soiuyTurkey / Black Sea1992
Mugil soiuyUkraine / Black Sea1968
Mulinia lateralisFrance / Biscay Gulf2023
Mulinia lateralisGermany / North Sea2017
Mulinia lateralisNetherlands2018
Muraenesox cinereusIsrael1979
Murchisonella mediterraneaGreece / Eastern Mediterranean2008 - 2011
Murchisonella sp.Estonia2021
Murchisonella sp.Finland2013 - 2015
Murex brandardisSpain / Iberian Coastal2007
Murex forskoehliiIsrael1932
Musculus coenobitusIsrael2018
Mya arenariaBelgiumTo 1700
Mya arenariaBulgaria1973
Mya arenariaDenmark / Baltic Sea1245 - 1290
Mya arenariaDenmark / North Sea1245 - 1290
Mya arenariaEstonia1101 - 1200
Mya arenariaFinland1101 - 1200
Mya arenariaFrance / Biscay GulfTo 1700
Mya arenariaFrance / Celtic seas1700
Mya arenariaFrance / North SeaTo 1700
Mya arenariaFrance / Western Mediterranean1976
Mya arenariaGermany / Baltic Sea1101 - 1200
Mya arenariaGermany / North SeaTo 1350
Mya arenariaGreece / Eastern Mediterranean1984
Mya arenariaIceland1958
Mya arenariaIrelandTo 1844
Mya arenariaItaly / Adriatic Sea2008
Mya arenariaLatvia1101 - 1200
Mya arenariaLithuania1101 - 1200
Mya arenariaNetherlandsTo 1250
Mya arenariaNorway / Barents SeaTo 1000
Mya arenariaNorway / North SeaTo 1000
Mya arenariaNorway / Norwegian SeaTo 1000
Mya arenariaPoland1101 - 1200
Mya arenariaPortugal / Iberian CoastalTo 1250
Mya arenariaRomaniaFrom 1967
Mya arenariaRussia / Baltic Sea / Kaliningrad area1101 - 1200
Mya arenariaSpain / Iberian CoastalTo 1250
Mya arenariaSweden / Baltic Sea1200 - 1250
Mya arenariaSweden / North Sea1200 - 1250
Mya arenariaTurkey / Black SeaFrom 1993
Mya arenariaUkraine / Azov SeaFrom 1966
Mya arenariaUkraine / Black SeaFrom 1966
Mya arenariaUnited Kingdom (Britain) / Celtic seas1800 - 1899
Mya arenariaUnited Kingdom (Britain) / English Channel1800 - 1899
Mya arenariaUnited Kingdom (Britain) / North SeaTo 1880
Mya arenariaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1938
Mycale (Carmia) micracanthoxeaBelgiumTo 2018
Mycale (Carmia) micracanthoxeaNetherlands1977
Mycale (Carmia) senegalensisPortugal / Madeira2010
Mycale macginiteiUSA / California Current2012
Mycteroperca fuscaIsrael2010
Myicola ostreaeFrance / Biscay Gulf1972
Myicola ostreaeFrance / Celtic seas1972
Myicola ostreaeFrance / Western Mediterranean1972
Myicola ostreaeIreland1993
Myicola ostreaeNetherlands1992
Myra subgranulataGreece / Eastern Mediterranean2004
Myra subgranulataIsrael1929
Myriactula rivulariaeNetherlands1980
Myrianida convolutaGermany / North Sea2021
Myrionema strangulansAustralia / Bass strait1971
Mytilaster lineatusRussia / Caspian Sea1919
Mytilaster minimusSpain / Iberian CoastalTo 2015
Mytilicola intestinalisBelgium1950
Mytilicola intestinalisDenmark / Baltic Sea1964
Mytilicola intestinalisDenmark / North Sea1964
Mytilicola intestinalisFrance / Biscay Gulf1949
Mytilicola intestinalisFrance / Celtic seas1949
Mytilicola intestinalisFrance / English Channel1949
Mytilicola intestinalisFrance / North Sea1930
Mytilicola intestinalisGermany / North Sea1939
Mytilicola intestinalisIreland1947
Mytilicola intestinalisNetherlands1949
Mytilicola intestinalisUnited Kingdom (Britain) / Celtic seas1937
Mytilicola intestinalisUnited Kingdom (Britain) / English Channel1937
Mytilicola orientalisFrance / Biscay Gulf1977
Mytilicola orientalisFrance / Celtic seas1977
Mytilicola orientalisFrance / English Channel1977
Mytilicola orientalisFrance / North Sea1977
Mytilicola orientalisFrance / Western Mediterranean1977
Mytilicola orientalisGermany / Baltic Sea2018
Mytilicola orientalisGermany / North Sea1990 - 1999
Mytilicola orientalisIreland1993
Mytilicola orientalisNetherlands1949
Mytilopsis leucophaeataBelgium1835
Mytilopsis leucophaeataEstonia2019
Mytilopsis leucophaeataFinland2003
Mytilopsis leucophaeataFrance / Biscay Gulf1928
Mytilopsis leucophaeataFrance / English ChannelTo 1970
Mytilopsis leucophaeataFrance / North SeaTo 1931
Mytilopsis leucophaeataGermany / Baltic Sea1928
Mytilopsis leucophaeataGermany / North SeaTo 1994
Mytilopsis leucophaeataLatvia2015
Mytilopsis leucophaeataNetherlands1895
Mytilopsis leucophaeataPoland2010
Mytilopsis leucophaeataSweden / Baltic Sea2011
Mytilopsis leucophaeataUkraine / Black SeaFrom 2000
Mytilopsis leucophaeataUnited Kingdom (Britain) / Celtic seas1996
Mytilopsis leucophaeataUnited Kingdom (Britain) / North SeaTo 1999
Mytilopsis salleiIsrael2008
Mytilopsis salleiTaiwan / South China SeaFrom 1977
Mytilus edulisPortugal / AzoresTo 1965
Mytilus edulisTurkey / Black Sea1990
Mytilus edulisUkraine / Black SeaFrom 2001
Mytilus galloprovincialisFrance / Biscay Gulf2015 - 2017
Mytilus galloprovincialisFrance / Celtic seas2015 - 2017
Mytilus galloprovincialisFrance / English Channel2003
Mytilus galloprovincialisIceland2014
Mytilus galloprovincialisJapan / East China SeaTo 2013
Mytilus galloprovincialisKorea, Republic of / Sea of JapanTo 2011
Mytilus galloprovincialisKorea, Republic of / Yellow SeaTo 2011
Mytilus galloprovincialisPortugal / Madeira2009
Mytilus galloprovincialisRussia / Sea of JapanTo 1999
Mytilus galloprovincialisUnited Kingdom (Britain) / Celtic seas1924
Mytilus galloprovincialisUnited Kingdom (Britain) / English Channel1998
Mytilus trossulusSpain / Iberian CoastalTo 2016
Mytilus trossulusUkraine / Black SeaFrom 2001
Mytilus trossulusUnited Kingdom (Britain) / Celtic seas2006
Myxicola infundibulumAustralia / Bass strait1975
Naineris setosaItaly / Central Mediterranean2019
Naineris setosaItaly / Western Mediterranean2010
Nanostrea fluctigeraIsrael2004
Naria turdusIsrael1980
Naria turdusItaly / Central Mediterranean2005
Nassa situlaIsrael2004
Nassarius concinnusIsrael1968
Nassarius mutabilisSpain / Iberian Coastal2006
Nassarius obvelatusIsrael1968
Navicula finmarchicaBulgaria1970
Navicula finmarchicaRomania1970
Navicula finmarchicaUkraine / Black SeaFrom 1970
Necora puberSweden / North Sea2007
Nemalion elminthoidesAustralia / Bass strait1971
Nemalion vermiculareFrance / Western Mediterranean2005
Nemipterus randalliGreece / Eastern Mediterranean2018
Nemipterus randalliIsrael2005
Nemopsis bacheiBelgium1996
Nemopsis bacheiFrance / Biscay Gulf1953
Nemopsis bacheiFrance / Celtic seas1953
Nemopsis bacheiFrance / English ChannelTo 1996
Nemopsis bacheiFrance / North Sea1996
Nemopsis bacheiGermany / North Sea1942
Nemopsis bacheiNetherlands1905
Nemopsis bacheiNorway / North SeaTo 1879
Nemopsis bacheiUnited Kingdom (Britain) / Celtic seas1851
Neocalanus gracilisRomania1978
Neoceratium candelabrumFrance / Celtic seas2005
Neodexiospira brasiliensisFrance / Biscay Gulf2007
Neodexiospira brasiliensisFrance / English ChannelTo 1982
Neodexiospira brasiliensisGermany / North Sea2014
Neodexiospira brasiliensisNetherlands1985
Neodexiospira brasiliensisUnited Kingdom (Britain) / English Channel1974
Neogobius fluviatilisNetherlands2009
Neogobius fluviatilisPoland1997
Neogobius kessleriGermany / North SeaTo 2008
Neogobius kessleriNetherlands2007
Neogobius melanostomusDenmark / Baltic Sea2008
Neogobius melanostomusDenmark / North Sea2016
Neogobius melanostomusEstonia2002
Neogobius melanostomusFinland2005
Neogobius melanostomusGermany / Baltic Sea1998
Neogobius melanostomusGermany / North SeaTo 2008
Neogobius melanostomusItaly / Adriatic Sea2012
Neogobius melanostomusLatvia2004
Neogobius melanostomusLithuania2002
Neogobius melanostomusNetherlands2004
Neogobius melanostomusPoland1990
Neogobius melanostomusRussia / Baltic Sea / Kaliningrad area2000
Neogobius melanostomusRussia / Baltic Sea / St. Petersburg area2012
Neogobius melanostomusSweden / Baltic Sea2008
Neogobius melanostomusSweden / North Sea2010
Neomeris annulataIsrael2003
Neomysis americanaBelgiumTo 2012
Neomysis americanaFrance / Biscay Gulf2021
Neomysis americanaFrance / English Channel2017
Neomysis americanaNetherlandsTo 2010
Neopyropia koreanaItaly / Central MediterraneanTo 2012
Neopyropia yezoensisFrance / Western Mediterranean1975
Neopyropia yezoensisGermany / North SeaTo 1984
Neopyropia yezoensisItaly / Adriatic Sea2010
Neosiphonia flavimarinaFrance / Biscay Gulf2010
Neosiphonia flavimarinaFrance / Celtic seas2010
Neosiphonia flavimarinaFrance / English Channel2010
Neosiphonia sphaerocarpaPortugal / Azores2005 - 2007
Neosiphonia sphaerocarpaPortugal / MadeiraTo 2001
Nephtys ciliataUkraine / Black SeaFrom 1975
Neptunea arthriticaBulgaria2000
Neptunea arthriticaUkraine / Black SeaFrom 2000
Nereis jacksoniItaly / Adriatic SeaTo 2016
Nereis jacksoniItaly / Western Mediterranean1985
Nereis persicaIsrael1937
Nerita sanguinolentaGreece / Eastern Mediterranean1969
Nerita sanguinolentaIsrael2019
Nikoides sibogaeIsrael2012
Nippoleucon hinumensisEstonia2022
Nippoleucon hinumensisFinland2021
Nippoleucon hinumensisGermany / Baltic Sea2019
Nippoleucon hinumensisGermany / North Sea2024
Nitellopsis obtusaIreland2016
Nitidotellina luxIsrael1997
Nitophyllum stellato-corticatumFrance / Western Mediterranean1988
Nitzschia sigmoideaUkraine / Black SeaFrom 1986
Nonionella stellaNorway / North Sea2012
Notocochlis gualterianaIsrael1961
Notomastus aberansGreece / Central Mediterranean2000
Notomastus aberansGreece / Eastern Mediterranean1964
Notomastus aberansItaly / Adriatic Sea1995
Notomastus aberansItaly / Western Mediterranean1976 - 1977
Notopus dorsipesIsrael1962
Nototeredo norvagicaGreece / Eastern Mediterranean1940
Nototeredo norvagicaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1917
Novafabricia infratorquataItaly / Adriatic Sea2000
Novafabricia infratorquataItaly / Central Mediterranean2000
Novafabricia infratorquataItaly / Western MediterraneanTo 2014
Novafabricia infratorquataSpain / Iberian CoastalTo 2017
Obelia dichotomaAustralia / Bass strait1966
Obelia dichotomaPortugal / Madeira1980
Obesogammarus crassusGermany / Baltic Sea1990 - 2015
Obesogammarus crassusGermany / North Sea2016
Obesogammarus crassusLithuania1962
Obesogammarus crassusPoland1999
Obesogammarus crassusRussia / Baltic Sea / Kaliningrad area1962
Ocenebra erinaceusNetherlandsTo 2007
Ocinebrellus inornataFrance / Biscay Gulf1995
Ocinebrellus inornataFrance / Celtic seas1995
Ocinebrellus inornataNetherlands2007
Ocinebrellus inornataPortugal / Iberian Coastal1999
Ocinebrellus inornatusDenmark / Baltic Sea2006
Ocinebrellus inornatusDenmark / North Sea2006
Ocinebrellus inornatusFrance / Biscay Gulf1993
Ocinebrellus inornatusFrance / English Channel1994
Ocinebrellus inornatusNetherlandsTo 2007
Ocinebrellus inornatusPortugal / Iberian CoastalTo 1999
Octactis octonariaBulgaria1948
Octactis octonariaRomania1948
Octactis octonariaUkraine / Black SeaFrom 1948
Octopus cyaneaIsrael1998
Oculina patagonicaFrance / Western Mediterranean1972
Oculina patagonicaGreece / Eastern Mediterranean2005
Oculina patagonicaItaly / Western Mediterranean1966
Odessia maeoticaRussia / Caspian Sea1960
Odetta zekiergeniItaly / Western Mediterranean2019
Odontella sinensisBelgium1904
Odontella sinensisDenmark / Baltic Sea1903
Odontella sinensisDenmark / North Sea1903
Odontella sinensisFrance / Biscay GulfTo 1934
Odontella sinensisFrance / Celtic seas1930
Odontella sinensisFrance / English ChannelTo 1930
Odontella sinensisFrance / North SeaTo 1930
Odontella sinensisGermany / Baltic Sea1904
Odontella sinensisGermany / North Sea1903
Odontella sinensisIreland1995
Odontella sinensisNetherlands1905
Odontella sinensisNorway / North Sea1903
Odontella sinensisNorway / Norwegian Sea1903
Odontella sinensisSweden / North Sea1903
Odontella sinensisUnited Kingdom (Britain) / Celtic seas / Channel Islands 
Odontodactylus scyllarusFrance / Biscay Gulf2009
Odontodactylus scyllarusFrance / English ChannelTo 2009
Odostomia lorioliIsrael1974
Ogyrides mjoebergiIsrael1947
Oithona brevicornis brevicornisUkraine / Black SeaFrom 2001
Oithona davisaeBulgaria2009
Oithona davisaeDenmark / Baltic Sea2023
Oithona davisaeDenmark / North Sea2023
Oithona davisaeGeorgia2007
Oithona davisaeGermany / North Sea2008
Oithona davisaeGreece / Eastern Mediterranean2018
Oithona davisaeItaly / Adriatic Sea2014
Oithona davisaeItaly / Central Mediterranean2014
Oithona davisaeItaly / Western Mediterranean2014
Oithona davisaeRomania2010
Oithona davisaeRussia / Black Sea2003
Oithona davisaeUkraine / Black Sea2001
Oithona plumiferaUkraine / Black SeaFrom 2001
Oithona setigeraUkraine / Black SeaFrom 2001
Oithona similisRussia / Caspian Sea2004
Okenia pellucidaIsrael2021
Okenia picoensisItaly / Central Mediterranean2021
Okenia picoensisItaly / Western Mediterranean2021
Omobranchus punctatusIsrael2003
Onchocleidus disparNorway / North Sea2004
Oncorhynchus clarkiiSweden / North Sea 
Oncorhynchus gorbuschaDenmark / Baltic Sea1958
Oncorhynchus gorbuschaDenmark / North Sea1973
Oncorhynchus gorbuschaFaroe Islands2019
Oncorhynchus gorbuschaFinland1970 - 1979
Oncorhynchus gorbuschaFrance / English Channel2017
Oncorhynchus gorbuschaIceland1960
Oncorhynchus gorbuschaIreland1973
Oncorhynchus gorbuschaLatvia1973
Oncorhynchus gorbuschaNorway / Barents Sea1960
Oncorhynchus gorbuschaNorway / Norwegian Sea1960
Oncorhynchus gorbuschaRussia / Baltic Sea / St. Petersburg area1973 - 1980
Oncorhynchus gorbuschaSweden / Baltic Sea1974
Oncorhynchus gorbuschaUkraine / Azov SeaFrom 1961
Oncorhynchus gorbuschaUkraine / Black SeaFrom 1961
Oncorhynchus gorbuschaUnited Kingdom (Britain) / North Sea1960
Oncorhynchus ketaFinland1971
Oncorhynchus ketaLatvia1970
Oncorhynchus ketaNorway / Barents Sea1960
Oncorhynchus ketaNorway / Norwegian Sea1960
Oncorhynchus kisutchBelgiumTo 1996
Oncorhynchus kisutchDenmark / Baltic Sea2017
Oncorhynchus kisutchDenmark / North Sea2017
Oncorhynchus kisutchLatvia1980
Oncorhynchus kisutchNetherlands1982
Oncorhynchus kisutchSweden / Baltic Sea1984
Oncorhynchus kisutchUnited Kingdom (Britain) / English Channel1975
Oncorhynchus mykissBelgium1884
Oncorhynchus mykissDenmark / Baltic Sea1899
Oncorhynchus mykissDenmark / North Sea1899
Oncorhynchus mykissEstonia1896
Oncorhynchus mykissFaroe IslandsTo 1990
Oncorhynchus mykissFinland1898
Oncorhynchus mykissFrance / Biscay Gulf1984
Oncorhynchus mykissFrance / English ChannelTo 1984
Oncorhynchus mykissGermany / Baltic Sea1882
Oncorhynchus mykissIceland1951
Oncorhynchus mykissIreland1895
Oncorhynchus mykissLatvia1899
Oncorhynchus mykissLithuania1890
Oncorhynchus mykissNetherlands1898
Oncorhynchus mykissNorway / Barents SeaTo 2012
Oncorhynchus mykissNorway / North SeaTo 2012
Oncorhynchus mykissNorway / Norwegian Sea1902
Oncorhynchus mykissPoland1881 - 1889
Oncorhynchus mykissPortugal / AzoresTo 1990
Oncorhynchus mykissPortugal / MadeiraTo 2002
Oncorhynchus mykissRussia / Baltic Sea / Kaliningrad area1882
Oncorhynchus mykissRussia / Baltic Sea / St. Petersburg area1881 - 1896
Oncorhynchus mykissSweden / Baltic Sea1892
Oncorhynchus mykissSweden / North Sea1894 - 1900
Oncorhynchus mykissUkraine / Black Sea1938 - 1965
Oncorhynchus mykissUnited Kingdom (Britain) / Celtic seas1884
Oncorhynchus nerkaFinland1967
Oncorhynchus tshawytschaFinland1930
Onisimus sextoniCanada / Hudson Bay ComplexTo 2012
Ophiactis macrolepidotaIsrael1968
Ophiactis savignyiFrance / Western MediterraneanTo 1969
Ophiactis savignyiGreece / Eastern Mediterranean1993
Ophiactis savignyiIsrael1948
Ophioblennius atlanticusItaly / Central Mediterranean2017
Ophryotrocha diademaItaly / Central Mediterranean2006
Ophryotrocha japonicaItaly / Adriatic Sea1999 - 2001
Ophryotrocha japonicaItaly / Central Mediterranean1999 - 2001
Ophryotrocha japonicaItaly / Western Mediterranean1999 - 2001
Oplegnathus fasciatusItaly / Adriatic Sea2015
Orchestia cavimanaBelgiumTo 1927
Orchestia cavimanaEstonia1999
Orchestia cavimanaGermany / Baltic Sea1920
Orchestia cavimanaGermany / North Sea1920
Orchestia cavimanaNetherlandsTo 1878
Orchestia cavimanaPoland1899
Orchestia cavimanaRussia / Baltic Sea / Kaliningrad area1957 - 1959
Orchestia gammarellusIceland1968
Oreochromis niloticusBelgiumTo 2000
Oscilla galilaeGreece / Eastern Mediterranean2016
Oscilla galilaeIsrael2009
Oscilla jocosaIsrael1984
Oscilla virginiaeIsrael2018
Osmundea oederiItaly / Central Mediterranean2007
Ostorhinchus fasciatusIsrael2008
Ostracion cubicumIsrael2017
Ostracoblabe implexaIreland1949 - 1963
Ostracoblabe implexaUnited Kingdom (Britain) / North Sea1950
Ostrea angasiFrance / Biscay Gulf1985
Ostrea angasiFrance / Celtic seas1985
Ostrea denselamellosaFrance / Biscay Gulf1982
Ostrea denselamellosaFrance / Celtic seas1982
Ostrea equestrisIreland1995
Ostrea puelchanaFrance / Biscay Gulf1989
Ostrea puelchanaFrance / Celtic seas1989
Ostrea stentinaSpain / Iberian CoastalTo 2015
Ostreid herpesvirus 1NetherlandsTo 2010
Ostreopsis ovataFrance / Biscay Gulf2021
Ostreopsis ovataFrance / Western Mediterranean1972
Ostreopsis ovataGreece / Eastern Mediterranean2003
Ostreopsis ovataPortugal / Iberian CoastalTo 2011
Ostreopsis siamensisPortugal / Iberian CoastalTo 2008
Owenia borealisCanada / Canadian Eastern ArcticTo 2011
Oxydromus humesiSpain / Iberian CoastalTo 2017
Oxyphysis oxytoxoidesBulgaria1987
Oxyphysis oxytoxoidesTurkey / Black Sea2007 - 2008
Oxytoxum criophilumSweden / North Sea2003
Oxytoxum gladiolusUkraine / Black Sea1989
Oxytoxum variabileRussia / Black Sea2008
Oxyurichthys papuensisGreece / Eastern Mediterranean2010
Oxyurichthys petersiiIsrael1982
Pachycordyle michaeliDenmark / Baltic Sea1958
Pachycordyle michaeliDenmark / North Sea1958
Pachycordyle michaeliGermany / Baltic Sea1960
Pachycordyle michaeliNetherlands1964
Pachycordyle michaeliUkraine / Black SeaFrom 2002
Pachycordyle michaeliUnited Kingdom (Britain) / English Channel1973
Pachyegis brunneaIceland1990
Pachygrapsus marmoratusFrance / English ChannelTo 2008
Pachygrapsus transversusFrance / Western Mediterranean1876
Pachymeniopsis gargiuloiItaly / Central MediterraneanTo 1982
Pachymeniopsis gargiuloiSpain / Iberian CoastalTo 2017
Pachymeniopsis lanceolataFrance / Biscay Gulf2016
Pachymeniopsis lanceolataPortugal / Madeira2006
Pacifastacus leniusculusBelgium1979
Pacifastacus leniusculusEstonia2014
Pacifastacus leniusculusFrance / Biscay Gulf1970 - 1979
Pacifastacus leniusculusFrance / English Channel1970 - 1979
Pacifastacus leniusculusGermany / Baltic Sea1960
Pacifastacus leniusculusLatvia1983
Pacifastacus leniusculusLithuania1972
Pacifastacus leniusculusNetherlands2005
Pacifastacus leniusculusPortugal / Iberian CoastalTo 2001
Pacifastacus leniusculusSpain / Spain1974
Pacifastacus leniusculusSweden / Baltic Sea1959 - 1960
Pacificincola perforataFrance / Biscay Gulf2001
Pacificincola perforataFrance / English Channel2005
Pacificincola perforataFrance / North Sea2005
Pacificincola perforataNetherlands2005
Padina boergeseniiIsrael1962
Padina boryanaGreece / Eastern Mediterranean1981
Pagurus longicarpusGermany / North Sea2020
Palaemon adspersusCanada / Northern Gulf of St. Lawrence2011
Palaemon adspersusCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2011
Palaemon adspersusRussia / Caspian Sea1936
Palaemon elegansDenmark / Baltic Sea1992
Palaemon elegansDenmark / North Sea2003
Palaemon elegansEstonia2011
Palaemon elegansFinland2003
Palaemon elegansGermany / Baltic SeaTo 1989
Palaemon elegansGermany / North SeaTo 2020
Palaemon elegansLatvia2009
Palaemon elegansLithuania2000 - 2002
Palaemon elegansNetherlandsTo 2020
Palaemon elegansPoland2002
Palaemon elegansRussia / Baltic Sea / Kaliningrad area2000 - 2002
Palaemon elegansRussia / Caspian Sea1939
Palaemon longirostrisGermany / Baltic SeaTo 1999
Palaemon longirostrisPoland2018
Palaemon macrodactylusBelgium1998
Palaemon macrodactylusBulgaria2009
Palaemon macrodactylusFrance / Biscay Gulf1998
Palaemon macrodactylusFrance / Celtic seas2006
Palaemon macrodactylusFrance / English Channel2009
Palaemon macrodactylusFrance / North Sea2005
Palaemon macrodactylusGermany / Baltic Sea2009
Palaemon macrodactylusGermany / North Sea2004
Palaemon macrodactylusItaly / Adriatic Sea2012 - 2013
Palaemon macrodactylusNetherlands1999
Palaemon macrodactylusPoland2014
Palaemon macrodactylusPortugal / Iberian CoastalTo 2008
Palaemon macrodactylusRomania2008
Palaemon macrodactylusSpain / Iberian CoastalTo 1999
Palaemon macrodactylusUnited Kingdom (Britain) / North Sea1992
Palaemonella rotumanaIsrael1948
Palisada intermediaTurkey / Black Sea1986
Palisada maris-rubriGreece / Eastern Mediterranean2006
Palisada maris-rubriItaly / Central Mediterranean1991
Palisada perforataTurkey / Black Sea1973
Palmadusta lentiginosaIsrael1990
Palola validaFrance / Western Mediterranean2022
Palola validaItaly / Central Mediterranean2018
Pandalus latirostrisTurkey / Black Sea1959
Pandalus latirostrisUkraine / Black SeaFrom 1959
Panulirus guttatusPortugal / Iberian CoastalTo 2009
Panulirus longipes longipesIsrael2018
Panulirus ornatusIsrael1988
Papenfussiella kuromoPortugal / Azores1990
Papilloculiceps longicepsIsrael1986
Parablennius incognitusGeorgia2001
Parablennius incognitusTurkey / Black Sea2000 - 2009
Parablennius incognitusUkraine / Black Sea2002
Paracanthurus hepatusFrance / Western Mediterranean2021
Paracanthurus hepatusIsrael2015
Paracaprella pusillaIsrael2010
Paracaprella pusillaSpain / Iberian Coastal2010
Paracartia graniFrance / Biscay Gulf1974
Paracartia graniFrance / English Channel1981
Paracartia graniFrance / North Sea1981
Paracartia graniFrance / Western Mediterranean1997
Paracartia graniGreece / Eastern Mediterranean1988
Paracerceis sculptaAustralia / Bass strait1995
Paracerceis sculptaFrance / Western Mediterranean2014
Paracerceis sculptaGreece / Eastern Mediterranean2009
Paracerceis sculptaItaly / Adriatic Sea1981
Paracerceis sculptaItaly / Central Mediterranean1981
Paracerceis sculptaItaly / Western Mediterranean1983
Paracerceis sculptaPortugal / Azores2014
Paracerceis sculptaPortugal / MadeiraFrom 2015
Paradella dianaeGreece / Eastern Mediterranean1997
Paradella dianaeItaly / Central Mediterranean2016
Paradella dianaeItaly / Western Mediterranean1985
Paradoxostoma angliorumIreland2007
Paralaeospira malardiIreland1977
Paralaeospira malardiUnited Kingdom (Britain) / Celtic seas1999
Paralaeospira malardiUnited Kingdom (Britain) / English Channel1999
Paraleucilla magnaGreece / Eastern Mediterranean2014
Paraleucilla magnaItaly / Adriatic Sea2007
Paraleucilla magnaItaly / Central Mediterranean2001
Paraleucilla magnaItaly / Western Mediterranean2004
Paraleucilla magnaPortugal / AzoresTo 2006
Paraleucilla magnaPortugal / Iberian CoastalTo 2008
Paraleucilla magnaPortugal / MadeiraTo 2007
Paralichthys lethostigmaIsrael2009
Paralithodes camtschaticusItaly / Central Mediterranean2008
Paralithodes camtschaticusNorway / Barents Sea1977
Paralithodes camtschaticusRussia / White Sea2010
Parametopella cyprisItaly / Adriatic Sea2014
Paramphiascella vararensisUkraine / Black SeaFrom 1964
Paramysis (Mesomysis) intermediaEstonia2008
Paramysis (Mesomysis) intermediaRussia / Baltic Sea / Kaliningrad area2008
Paramysis (Serrapalpisis) lacustrisGermany / Baltic Sea2013
Paramysis (Serrapalpisis) lacustrisLatvia1966
Paramysis (Serrapalpisis) lacustrisLithuania1962
Paramysis (Serrapalpisis) lacustrisRussia / Baltic Sea / Kaliningrad area1962
Paranais botniensisGermany / North Sea1992
Paranais friciFinland2000 - 2008
Paranais friciNetherlandsTo 2016
Paranais friciRussia / Baltic Sea / Kaliningrad area1998
Paranais friciRussia / Baltic Sea / St. Petersburg area1960 - 1969
Paranthura japonicaFrance / Biscay Gulf2007
Paranthura japonicaFrance / English Channel2019
Paranthura japonicaFrance / Western Mediterranean2014
Paranthura japonicaGreece / Eastern Mediterranean2012
Paranthura japonicaItaly / Adriatic Sea2005
Paranthura japonicaItaly / Central Mediterranean2013
Paranthura japonicaItaly / Western Mediterranean2010 - 2011
Paraonides nordicaCanada / Canadian Eastern ArcticTo 2011
Paraonides nordicaCanada / Hudson Bay ComplexTo 2012
Paraphyllina ransoniTurkey / Black Sea2011
Parapilumnus malardiFrance / Celtic seas1910
Paraprionospio cooraGreece / Eastern Mediterranean1993
Paraprionospio cooraSpain / Iberian CoastalTo 2010
Parasagitta setosaRussia / Caspian Sea2004
Parasmittina albaPortugal / Madeira2014
Parasmittina egyptiacaIsrael2009
Parasmittina multiaviculataPortugal / Madeira2014
Parasmittina protectaIsrael2010
Parasmittina protectaPortugal / Madeira2010
Parasmittina trispinosaAustralia / Bass strait1950
Paratapes textilisIsrael1946
Paratapes textilisItaly / Adriatic Sea2003
Paratenuisentis ambiguusGermany / North SeaTo 1960
Paratenuisentis ambiguusPoland2001
Paratenuisentis ambiguusRussia / Baltic Sea / Kaliningrad area2004
Parexocoetus mentoGreece / Central Mediterranean1980 - 1987
Parexocoetus mentoGreece / Eastern Mediterranean1946 - 1964
Parexocoetus mentoIsrael1935
Parkermavella globiferaIceland1990
Parthenina cossmanniIsrael2016
Parthenina typicaIsrael2015
Parupeneus forsskaliGreece / Eastern Mediterranean2017
Parupeneus forsskaliIsrael2013
Parviphycus pannosusTurkey / Black Sea2000 - 2009
Parvocalanus crassirostrisCroatia2014
Parvocalanus crassirostrisGreece / Eastern Mediterranean2009
Parvocalanus crassirostrisItaly / Adriatic Sea2016
Parvocaulis parvulusIsrael1935
Patella vulgataBelgiumTo 2011
Paucibranchia adenensisGreece / Central Mediterranean2012
Paucibranchia adenensisGreece / Eastern Mediterranean2009
Pegophysema philippianaIsrael2018
Pelates quadrilineatusIsrael1969
Pempheris rhomboideaGreece / Eastern Mediterranean1983
Pempheris rhomboideaIsrael1979
Penaeus (Marsupenaeus) japonicusChina / Yellow SeaTo 2005
Penaeus (Marsupenaeus) japonicusFrance / Biscay Gulf1980
Penaeus (Marsupenaeus) japonicusFrance / Celtic seas1980
Penaeus (Marsupenaeus) japonicusFrance / English Channel2016
Penaeus (Marsupenaeus) japonicusFrance / Western MediterraneanTo 1972
Penaeus (Marsupenaeus) japonicusIreland2007
Penaeus (Marsupenaeus) japonicusItaly / Adriatic Sea1979
Penaeus (Marsupenaeus) japonicusItaly / Western Mediterranean1979
Penaeus (Marsupenaeus) japonicusPortugal / Iberian Coastal1985
Penaeus (Marsupenaeus) japonicusTurkey / Black Sea1960 - 1969
Penaeus (Marsupenaeus) japonicusUkraine / Black SeaFrom 1977
Penaeus (Marsupenaeus) japonicusUnited Kingdom (Britain) / English Channel1989
Penaeus aztecusBelgium2018
Penaeus aztecusFrance / Western Mediterranean2015
Penaeus aztecusGreece / Adriatic Sea2018
Penaeus aztecusGreece / Central Mediterranean2013
Penaeus aztecusGreece / Eastern Mediterranean2012
Penaeus aztecusIsrael2015
Penaeus aztecusItaly / Adriatic Sea2016 - 2017
Penaeus aztecusItaly / Central Mediterranean2014
Penaeus aztecusItaly / Western Mediterranean2014
Penaeus hathorGreece / Eastern Mediterranean2012
Penaeus hathorIsrael1997
Penaeus pulchricaudatusGreece / Eastern Mediterranean1995
Penaeus pulchricaudatusIsrael1951
Penaeus pulchricaudatusItaly / Adriatic Sea1997
Penaeus semisulcatusFrance / English Channel2016
Penaeus semisulcatusIsrael1951
Penaeus semisulcatusRussia / Black Sea2005
Peneroplis arietinusItaly / Central Mediterranean2017
Penilia avirostrisFrance / Western Mediterranean1959
Penilia avirostrisGermany / Baltic Sea2003
Penilia avirostrisGermany / North SeaTo 1948
Penilia avirostrisIran / Caspian SeaFrom 1982
Penilia avirostrisSweden / North Sea1997
Penilia avirostrisUnited Kingdom (Britain) / North Sea1947
Perccottus gleniiPoland1993
Perccottus gleniiRussia / Baltic Sea / Kaliningrad area1982
Perccottus gleniiRussia / Baltic Sea / St. Petersburg area1916 - 1929
Percnon gibbesiFrance / Western Mediterranean2014
Percnon gibbesiGreece / Central Mediterranean2004
Percnon gibbesiGreece / Eastern Mediterranean2004
Percnon gibbesiPortugal / Iberian CoastalTo 1931
Perforatus perforatusBelgiumTo 2011
Perforatus perforatusPortugal / AzoresTo 2011
Peridiniella danicaDenmark / Baltic Sea1901
Peridiniella danicaDenmark / North Sea1901
Peridiniopsis polonicumBulgaria2008
Peridinium quadridentatumBulgaria2000
Peridinium quadridentatumDenmark / Baltic Sea2005
Peridinium quadridentatumDenmark / North Sea2005
Peridinium quadridentatumRomania2008
Peridinium quadridentatumRussia / Black Sea2005
Peridinium quadridentatumSweden / Baltic Sea2008
Peridinium quadridentatumSweden / North Sea2007
Perisesarma albertiFrance / English Channel2016
Perkinsus chesapeakiFrance / Biscay GulfTo 1992
Perkinsus chesapeakiFrance / Celtic seasTo 1992
Perkinsus chesapeakiFrance / English ChannelTo 1992
Perkinsus chesapeakiFrance / North SeaTo 1992
Perkinsus chesapeakiFrance / Western MediterraneanTo 1992
Perkinsus olseniiFrance / Biscay GulfTo 1992
Perkinsus olseniiFrance / Celtic seas2005
Perkinsus olseniiFrance / English ChannelTo 1992
Perkinsus olseniiFrance / North SeaTo 1992
Perkinsus olseniiFrance / Western MediterraneanTo 1992
Perkinsus olseniiPortugal / Iberian Coastal1987
Perkinsus olseniiSpain / Iberian Coastal1983
Perkinsyllis augeneriIsrael2009
Perna pernaIsrael1965
Perophora japonicaFrance / Celtic seas1982
Perophora japonicaFrance / English Channel1982
Perophora japonicaFrance / North Sea1996
Perophora japonicaGermany / North Sea2007
Perophora japonicaIreland2012
Perophora japonicaNetherlands2004
Perophora japonicaSpain / Iberian Coastal2008
Perophora japonicaUnited Kingdom (Britain) / Celtic seas2003
Perophora japonicaUnited Kingdom (Britain) / English Channel2005
Perophora multiclathrataFrance / Western Mediterranean1987
Perophora multiclathrataItaly / Central Mediterranean2013 - 2014
Perophora viridisFrance / Western Mediterranean1987
Perophora viridisItaly / Adriatic Sea1973 - 1975
Perophora viridisItaly / Western MediterraneanTo 1921
Perophora viridisPortugal / AzoresTo 1971
Petalonia binghamiaePortugal / Azores1985
Petalonia fasciaAustralia / Bass strait1971
Petricolaria pholadiformisBelgium1899
Petricolaria pholadiformisDenmark / Baltic Sea1926
Petricolaria pholadiformisDenmark / North Sea1905
Petricolaria pholadiformisFrance / English Channel1972
Petricolaria pholadiformisFrance / North Sea1972
Petricolaria pholadiformisGermany / Baltic Sea1927
Petricolaria pholadiformisGermany / North Sea1896
Petricolaria pholadiformisGreece / Eastern Mediterranean1985
Petricolaria pholadiformisNetherlandsTo 1899
Petricolaria pholadiformisNorway / North SeaTo 1955
Petricolaria pholadiformisSpain / Iberian CoastalTo 2007
Petricolaria pholadiformisSweden / North Sea1931 - 1944
Petricolaria pholadiformisUnited Kingdom (Britain) / English Channel1893
Petricolaria pholadiformisUnited Kingdom (Britain) / North Sea1893
Petroscirtes ancylodonGreece / Eastern Mediterranean2004
Petroscirtes ancylodonIsrael1988
Petrospongium rugosumAustralia / Bass strait1971
Peyssonnelia conchicolaAustralia / Bass strait1981
Peyssonnelia rosa-marinaTurkey / Black Sea2000 - 2009
Pfiesteria piscicidaNorway / North Sea2000
Pfiesteria shumwayaeNorway / North Sea2000
Phaenna spiniferaRomania1978
Phaeocystis pouchetiiBulgaria1989 - 1990
Phaeocystis pouchetiiDenmark / Baltic Sea1980
Phaeocystis pouchetiiDenmark / North Sea1980
Phaeocystis pouchetiiGreece / Eastern Mediterranean1983
Phaeocystis pouchetiiRomania1990 - 1999
Phaeocystis pouchetiiRussia / Black Sea2006
Phaeocystis pouchetiiSweden / Baltic SeaTo 1980
Phaeocystis pouchetiiUkraine / Black Sea1990
Phallusia mammillataFrance / English ChannelTo 1900
Phallusia mammillataFrance / North SeaTo 1900
Phallusia mammillataIreland1890 - 1920
Phallusia mammillataPortugal / Madeira1992 - 1995
Phallusia nigraGreece / Central Mediterranean2015
Phallusia nigraGreece / Eastern Mediterranean2008
Phallusia nigraIsrael1952
Pherusella brevitubaItaly / Western Mediterranean1996
Phialella quadrataAustralia / Bass strait1915
Phidiana militarisIsrael2016
Philinopsis speciosaIsrael2009
Phorbas tenaciorAustralia / Bass strait1989
Phorcus lineatusNetherlandsTo 1985
Photis lamelliferaIsraelTo 1959
Photis lamelliferaItaly / Central Mediterranean1990
Phrix spatulataGreece / Central Mediterranean2009
Phyllodicola petitiUnited Kingdom (Britain) / Celtic seas1989
Phyllodoce groenlandicaSpain / Iberian CoastalTo 2016
Phyllodoce longifronsIsrael1972
Phyllopodopsyllus bradyiUkraine / Black Sea1969
Phyllorhiza punctataGreece / Central Mediterranean2005
Phyllorhiza punctataIsrael1965
Phyllorhiza punctataItaly / Western Mediterranean2009
Physa sp.United Kingdom (Britain) / Celtic seas / Channel Islands 
Physella acutaBelgiumTo 1869
Physella acutaGermany / Baltic Sea2022
Physella acutaGermany / North Sea1895
Physella acutaNetherlandsTo 2015
Piaractus brachypomusDenmark / Baltic Sea2013
Piaractus brachypomusDenmark / North Sea2013
Pigrogromitus timsanusIsrael1960
Pikea californicaSpain / Iberian Coastal1991
Pikea californicaUnited Kingdom (Britain) / Celtic seas1967
Pikea californicaUnited Kingdom (Britain) / English Channel1967
Pileolaria berkeleyanaFrance / Biscay Gulf2007
Pileolaria berkeleyanaFrance / English Channel2007
Pileolaria berkeleyanaFrance / Western Mediterranean1977
Pileolaria berkeleyanaGermany / North Sea2013
Pileolaria berkeleyanaItaly / Central Mediterranean2008
Pileolaria berkeleyanaItaly / Western MediterraneanTo 1995
Pileolaria berkeleyanaNetherlandsTo 2010
Pileolaria berkeleyanaPortugal / MadeiraTo 1980
Pileolaria berkeleyanaSpain / Canary IslandsTo 1980
Pileolaria berkeleyanaUnited Kingdom (Britain) / Celtic seas / Channel Islands1982
Pileolaria berkeleyanaUnited Kingdom (Britain) / English Channel1974
Pileolaria militarisGermany / North Sea2012
Pileolaria militarisIreland1977
Pileolaria militarisUnited Kingdom (Britain) / Celtic seasTo 1977
Pileolaria militarisUnited Kingdom (Britain) / English ChannelTo 1977
Pilumnoides ingleiIrelandTo 1899
Pilumnopeus vauqueliniIsrael1951
Pilumnus hirtellusSweden / North Sea2005
Pilumnus spiniferSweden / North SeaTo 2005
Pinctada imbricata radiataFrance / Western Mediterranean1979
Pinctada imbricata radiataGreece / Central Mediterranean1995
Pinctada imbricata radiataGreece / Eastern Mediterranean1961
Pinctada imbricata radiataIsrael1899
Pinctada imbricata radiataItaly / Central Mediterranean1961
Pinctada imbricata radiataItaly / Western MediterraneanTo 1993
Pinctada imbricata radiataPortugal / AzoresTo 1998
Pinctada imbricata radiataUnited Kingdom (Britain) / English Channel1986
Pinctada margaritiferaItaly / Central Mediterranean1890 - 1899
Pinguipes brasilianusItaly / Central Mediterranean1990
Pinguipes brasilianusItaly / Western Mediterranean1990
Pinnularia trevelyanaUkraine / Black SeaFrom 1902
Pisinna glabrataUnited Kingdom (Britain) / English ChannelTo 2010
Pista unibranchiaItaly / Central Mediterranean1981
Pista unibranchiaItaly / Western Mediterranean2018
Pista unibranchiaSpain / Iberian CoastalTo 2017
Plagiolemma distortumFrance / Celtic seasTo 2014
Plagiolemma distortumGermany / North SeaTo 2001
Plagiolemma distortumNetherlandsTo 2001
Plagiolemma distortumUnited Kingdom (Britain) / English ChannelTo 1992
Plagiolemma distortumUnited Kingdom (Britain) / North SeaTo 2014
Plagusia squamosaFrance / Western Mediterranean1873
Planaxis savignyiIsrael1997
Planiliza haematocheilaGreece / Eastern Mediterranean1995
Planogypsina acervalisGreece / Eastern Mediterranean2001
Planorbarius corneusIreland1815
Platax teiraIsrael2010
Platichthys flesusIceland1999
Platorchestia platensisDenmark / Baltic Sea1860
Platorchestia platensisDenmark / North Sea1860
Platorchestia platensisFrance / English Channel1900
Platorchestia platensisFrance / North Sea1900
Platorchestia platensisGermany / Baltic Sea1940
Platorchestia platensisGermany / North Sea1931
Platorchestia platensisNetherlandsTo 1950
Platorchestia platensisNorway / North Sea1980 - 1989
Platorchestia platensisPoland2005
Platorchestia platensisSweden / Baltic Sea1930 - 1940
Platorchestia platensisSweden / North SeaTo 1940
Platycephalus armatusSpain / Canary IslandsTo 2015
Platycephalus indicusIsrael1953
Platysiphonia caribaeaSpain / Canary Islands1980 - 1989
Plecoglossus altivelis altivelisUkraine / Azov Sea1960 - 1979
Plecoglossus altivelis altivelisUkraine / Black Sea1963 - 1979
Pleopis polyphaemoidesRussia / Caspian Sea1957
Pleurobranchus forskaliiIsrael1975
Pleurosigma planctonicumFrance / Celtic seas1966
Pleurosigma simonseniiFrance / Celtic seas1966
Pleurosigma simonseniiFrance / English Channel1966
Pleurosigma simonseniiFrance / North Sea1966
Pleurosigma simonseniiGermany / North SeaTo 2020
Pleurosigma simonseniiNetherlands1974
Pleurosigma simonseniiUnited Kingdom (Britain) / English ChannelTo 1972
Plocamium secundatumItaly / Central Mediterranean1991
Plocamopherus ocellatusIsrael1977
Plotosus lineatusIsrael2001
Plumatella casmianaGermany / Baltic SeaTo 1886
Plumatella casmianaGermany / North SeaTo 1995
Plumularia obliquaAustralia / Bass strait1884
Plumularia setaceaAustralia / Bass strait1885
Podon intermediusRussia / Caspian Sea1985
Poecilia reticulataGermany / North Sea1980 - 1989
Poecilia reticulataNetherlandsTo 1985
Pollia dorbignyiPortugal / AzoresTo 1998
Pollicipes pollicipesIreland1820 - 1856
Polyandrocarpa zorritensisItaly / Central Mediterranean2001
Polyandrocarpa zorritensisItaly / Western Mediterranean1974
Polyandrocarpa zorritensisPortugal / Madeira2014
Polycera hedgpethiAustralia / Bass straitTo 1989
Polycera hedgpethiItaly / Adriatic Sea2009
Polycera hedgpethiItaly / Central Mediterranean2012
Polycera hedgpethiItaly / Western Mediterranean1986
Polycera hedgpethiSpain / Iberian Coastal2002
Polycerella emertoniGreece / Central Mediterranean1995
Polycerella emertoniItaly / Western Mediterranean1964
Polycirrus twistiGreece / Central Mediterranean2010
Polycirrus twistiGreece / Eastern Mediterranean1983
Polyclinum aurantiumPortugal / AzoresTo 1971
Polyclinum constellatumItaly / Central Mediterranean2018
Polydora aggregataDenmark / Baltic Sea2017
Polydora ciliataFrance / Celtic seas1921
Polydora ciliataFrance / English Channel1921
Polydora coloniaFrance / Biscay Gulf2021
Polydora coloniaItaly / Adriatic Sea2009
Polydora cornutaBulgaria1962
Polydora cornutaDenmark / Baltic Sea1943
Polydora cornutaDenmark / North Sea1941
Polydora cornutaGreece / Eastern Mediterranean2008
Polydora cornutaItaly / Adriatic Sea1990 - 1999
Polydora cornutaPortugal / Iberian CoastalTo 2017
Polydora cornutaRomania1970 - 1979
Polydora cornutaRussia / Black Sea2009
Polydora cornutaUkraine / Black SeaFrom 1962
Polydora hopluraBelgiumTo 1962
Polydora hopluraFrance / English Channel1894 - 1921
Polydora hopluraFrance / North SeaTo 1921
Polydora hopluraNetherlandsTo 1949
Polydora hopluraNew Zealand / New Zealand Shelf / North IslandTo 1975
Polydora hopluraNew Zealand / New Zealand Shelf / South IslandTo 1975
Polydora onagawaensisFrance / English Channel2018
Polydora onagawaensisSweden / North SeaTo 2023
Polydora triglandaFrance / Biscay GulfTo 2017
Polydora triglandaSpain / Iberian CoastalTo 2016
Polydora websteriFrance / English Channel2018
Polydora websteriGermany / North Sea2014
Polydora websteriNetherlands2017
Polydora websteriRomania1901 - 2000
Polydora websteriSweden / North Sea2020
Polylabris cf. mamaeviIsrael1971
Polyopes lancifoliusFrance / Biscay Gulf2008
Polyopes lancifoliusFrance / Celtic seas2008
Polyopes lancifoliusFrance / English Channel2021
Polysiphonia atlanticaFrance / Western Mediterranean1984
Polysiphonia atlanticaGreece / Central Mediterranean2001
Polysiphonia atlanticaGreece / Eastern Mediterranean1988
Polysiphonia atlanticaIsrael2016
Polysiphonia morrowiiFrance / Biscay GulfTo 2011
Polysiphonia morrowiiFrance / Celtic seasTo 2012
Polysiphonia morrowiiFrance / English Channel1970 - 1979
Polysiphonia morrowiiFrance / Western Mediterranean1997
Polysiphonia morrowiiItaly / Adriatic Sea1999
Polysiphonia morrowiiItaly / Central Mediterranean2012
Polysiphonia paniculataFrance / Western Mediterranean1967
Polysiphonia paniculataItaly / Central MediterraneanTo 2010
Polysiphonia paniculataItaly / Western MediterraneanTo 2001
Polysiphonia paniculataTurkey / Black Sea1972
Polysiphonia senticulosaAustralia / Bass strait1969
Polysiphonia senticulosaBelgium2001
Polysiphonia senticulosaFrance / English Channel2001
Polysiphonia senticulosaFrance / North Sea2001
Polysiphonia senticulosaNetherlands1993
Polysiphonia subtilissimaAustralia / Bass strait1983
Polysiphonia subtilissimaIrelandTo 2006
Pomacanthus imperatorGreece / Eastern Mediterranean2006
Pomacanthus imperatorIsrael2009
Pomadasys stridensGreece / Eastern Mediterranean2019
Pomadasys stridensIsrael1971
Pomadasys stridensItaly / Western Mediterranean1968
Pomatoschistus bathiGeorgia2000 - 2009
Pomatoschistus bathiUkraine / Black Sea2000 - 2009
Pontastacus leptodactylusNetherlands1978
Pontogammarus robustoidesEstonia2006
Pontogammarus robustoidesGermany / Baltic Sea1994
Pontogammarus robustoidesLatvia1966
Pontogammarus robustoidesLithuania1962
Pontogammarus robustoidesPoland1988
Pontogammarus robustoidesRussia / Baltic Sea / Kaliningrad area1962 - 1963
Pontogammarus robustoidesRussia / Baltic Sea / St. Petersburg area1999
Porcellidium ovatumIreland1980 - 1984
Poropila dubiaBulgaria1948
Poropila dubiaRomania1948
Poropila dubiaUkraine / Black Sea1948
Porphyra minorTurkey / Black Sea2000 - 2009
Porphyra teneraSpain / Iberian CoastalTo 1999
Porphyra umbilicalisTurkey / Black Sea2000 - 2009
Porphyra yezoensisFrance / Western Mediterranean1975
Portunus segnisGreece / Eastern Mediterranean1991
Portunus segnisIsrael1924
Portunus segnisItaly / Central Mediterranean1966
Portunus segnisItaly / Western Mediterranean2004
Potamocorbula amurensisFrance / Biscay Gulf2023
Potamopyrgus antipodarumBelgium1927
Potamopyrgus antipodarumDenmark / Baltic Sea1914
Potamopyrgus antipodarumDenmark / North Sea1914
Potamopyrgus antipodarumEstonia1850 - 1889
Potamopyrgus antipodarumFinland1850 - 1899
Potamopyrgus antipodarumFrance / Biscay Gulf1967
Potamopyrgus antipodarumFrance / English Channel1984
Potamopyrgus antipodarumFrance / North Sea1951
Potamopyrgus antipodarumFrance / Western Mediterranean1948
Potamopyrgus antipodarumGermany / Baltic Sea1887
Potamopyrgus antipodarumGermany / North Sea1900
Potamopyrgus antipodarumIrelandTo 1897
Potamopyrgus antipodarumLatvia1801 - 1889
Potamopyrgus antipodarumLithuania1954
Potamopyrgus antipodarumNetherlands1913
Potamopyrgus antipodarumNorway / North Sea1952
Potamopyrgus antipodarumNorway / Norwegian SeaTo 2012
Potamopyrgus antipodarumPoland1933
Potamopyrgus antipodarumPortugal / Iberian CoastalTo 1978
Potamopyrgus antipodarumRussia / Baltic Sea / Kaliningrad area1917 - 1926
Potamopyrgus antipodarumRussia / Baltic Sea / St. Petersburg area1930 - 1939
Potamopyrgus antipodarumSpain / Iberian Coastal1801 - 1900
Potamopyrgus antipodarumSweden / Baltic Sea1887
Potamopyrgus antipodarumSweden / North Sea1887
Potamopyrgus antipodarumUnited Kingdom (Britain) / Celtic seas1859
Potamopyrgus antipodarumUnited Kingdom (Britain) / English Channel1859
Potamopyrgus antipodarumUnited Kingdom (Britain) / North Sea1859
Potamopyrgus antipodarumUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1938
Potamothrix bavaricusGermany / Baltic SeaTo 2015
Potamothrix bavaricusNetherlandsTo 2016
Potamothrix bavaricusRussia / Baltic Sea / Kaliningrad area1997
Potamothrix bedotiSweden / Baltic Sea1915
Potamothrix hammoniensisGermany / North SeaTo 2017
Potamothrix hammoniensisPoland2010
Potamothrix heuscheriFinland1960 - 1970
Potamothrix heuscheriRussia / Baltic Sea / St. Petersburg area1960 - 1969
Potamothrix heuscheriSweden / Baltic Sea1960 - 1969
Potamothrix moldaviensisGermany / Baltic SeaTo 2015
Potamothrix moldaviensisGermany / North SeaTo 2015
Potamothrix moldaviensisPoland2008
Potamothrix moldaviensisRussia / Baltic Sea / Kaliningrad area1996
Potamothrix moldaviensisRussia / Baltic Sea / St. Petersburg area1950 - 1959
Potamothrix vejdovskyiBelgiumTo 2009
Potamothrix vejdovskyiGermany / North SeaTo 2015
Potamothrix vejdovskyiPoland2008
Potamothrix vejdovskyiRussia / Baltic Sea / Kaliningrad area1997
Potamothrix vejdovskyiRussia / Baltic Sea / St. Petersburg area1960 - 1969
Potamothrix vejdovskyiSweden / Baltic Sea1967 - 1970
Praunus flexuosusIceland1970
Predaea huismaniiSpain / Canary Islands1980 - 1989
Priacanthus sagittariusIsrael2009
Primavelans glabricollarisGermany / North Sea2019
Primavelans glabricollarisNetherlandsTo 2019
Prionace glaucaRomania1940 - 1949
Prionospio alutaPortugal / Iberian CoastalTo 2017
Prionospio pulchraGreece / Eastern Mediterranean1991
Prionospio pulchraPortugal / Iberian CoastalTo 2012
Prionospio pulchraSpain / Iberian CoastalTo 2000
Prionospio pulchraTurkey / Black Sea2000
Proameira simplexUkraine / Black SeaFrom 1964
Proasellus coxalisBelgiumTo 1998
Proasellus coxalisGermany / Baltic Sea2011
Proasellus coxalisGermany / North Sea1930 - 1939
Proboscia indicaGermany / North Sea1966 - 1971
Proboscia indicaNetherlands1990
Procambarus acutusNetherlands2002
Procambarus clarkiiBelgiumTo 2014
Procambarus clarkiiFrance / Biscay Gulf1970 - 1979
Procambarus clarkiiFrance / English Channel1970 - 1979
Procambarus clarkiiGermany / North Sea1985
Procambarus clarkiiItaly / Adriatic Sea2007
Procambarus clarkiiItaly / Western MediterraneanTo 2000
Procambarus clarkiiNetherlands1985
Procambarus clarkiiPortugal / AzoresTo 1994
Procambarus clarkiiPortugal / Iberian Coastal1979
Procambarus clarkiiSpain / Canary Islands1996 - 1997
Procambarus clarkiiSpain / Spain1973 - 1974
Procambarus fallax f. virginalisBelgium2020
Procambarus fallax f. virginalisFrance / North Sea2019
Procambarus fallax f. virginalisGermany / North Sea2003
Procambarus fallax f. virginalisNetherlandsTo 2004
Proceraea cornutaNetherlands1941
Proceraea cornutaUnited Kingdom (Britain) / English Channel1929
Pronoctiluca pelagicaUkraine / Black SeaFrom 1983
Prorocentrum borbonicumGreece / Eastern Mediterranean2004
Prorocentrum cordatumBelgiumTo 2006
Prorocentrum cordatumBulgaria1948
Prorocentrum cordatumDenmark / Baltic Sea1981
Prorocentrum cordatumDenmark / North SeaTo 1979
Prorocentrum cordatumEstonia1997
Prorocentrum cordatumFinland1993
Prorocentrum cordatumFrance / Biscay GulfTo 1987
Prorocentrum cordatumFrance / Celtic seasTo 1987
Prorocentrum cordatumFrance / English ChannelTo 1987
Prorocentrum cordatumFrance / Western Mediterranean1984
Prorocentrum cordatumGeorgia1999
Prorocentrum cordatumGermany / Baltic Sea1982
Prorocentrum cordatumGermany / North Sea1990
Prorocentrum cordatumLatvia1988
Prorocentrum cordatumLithuania1992
Prorocentrum cordatumNetherlandsTo 2006
Prorocentrum cordatumNorway / North Sea1979
Prorocentrum cordatumPoland1989
Prorocentrum cordatumRomania1948
Prorocentrum cordatumRussia / Baltic Sea / Kaliningrad area2010
Prorocentrum cordatumRussia / Baltic Sea / St. Petersburg area2000 - 2010
Prorocentrum cordatumRussia / Black Sea1948
Prorocentrum cordatumSweden / Baltic Sea1982
Prorocentrum cordatumSweden / North Sea1979
Prorocentrum cordatumUkraine / Azov SeaFrom 1948
Prorocentrum cordatumUkraine / Black SeaFrom 1948
Prorocentrum cordatumUnited Kingdom (Britain) / English Channel1976
Prorocentrum dentatumGeorgia2001
Prorocentrum dentatumUkraine / Black Sea1998
Prorocentrum emarginatumGreece / Eastern Mediterranean2003
Prorocentrum gracileDenmark / Baltic Sea1989
Prorocentrum gracileDenmark / North Sea1989
Prorocentrum levisGreece / Eastern Mediterranean2004
Prorocentrum limaDenmark / Baltic Sea1989
Prorocentrum limaDenmark / North Sea1989
Prorocentrum limaFrance / Biscay GulfTo 1987
Prorocentrum limaFrance / English ChannelTo 1987
Prorocentrum mexicanumFrance / English Channel1995
Prorocentrum triestinumDenmark / Baltic Sea1983
Prorocentrum triestinumDenmark / North Sea1899
Prorocentrum triestinumGermany / North Sea1992
Prorocentrum triestinumNetherlands1961
Proterorhinus marmoratusRussia / Baltic Sea / St. Petersburg area2006
Proterorhinus nasalisEstonia2020
Proterorhinus nasalisFinland2022
Protoceratium reticulatumNetherlandsTo 2014
Protocystis swereiUkraine / Black Sea1950 - 1959
Protodorvillea biarticulataGreece / Central Mediterranean1983
Protodorvillea biarticulataGreece / Eastern Mediterranean1975
Protodorvillea egenaItaly / Central Mediterranean2001
Protomonostroma undulatumDenmark / Baltic Sea1973
Protomonostroma undulatumDenmark / North Sea1973
Protomonostroma undulatumGermany / North SeaTo 1954
Protoperidinium minutumGeorgia1999
Protoperidinium minutumRussia / Black Sea2001
Protoperidinium parthenopesRussia / Black Sea2001
Psammacoma gubernaculumIsrael2008
Psammoryctides moravicusBelgiumTo 2008
Pseudechidna brummeriPortugal / Iberian CoastalTo 2023
Pseudo-nitzschia australisFrance / Biscay GulfTo 2013
Pseudo-nitzschia australisFrance / English Channel2004
Pseudo-nitzschia callianthaTurkey / Black Sea2007 - 2008
Pseudo-nitzschia callianthaUkraine / Black Sea2006
Pseudo-nitzschia inflatulaUkraine / Black Sea1990 - 1999
Pseudo-nitzschia multistriataFrance / Biscay Gulf2002
Pseudo-nitzschia multistriataPortugal / Iberian CoastalTo 2003
Pseudo-nitzschia obtusaRussia / Caspian Sea1990
Pseudo-nitzschia pungensRussia / Black Sea2000
Pseudobacciger harengulaeSweden / North Sea1994
Pseudobiceros stellaeIsrael2016
Pseudoceros duplicinctusIsrael2015
Pseudochattonella farcimenFrance / Biscay Gulf2012
Pseudochattonella farcimenFrance / English Channel1994
Pseudochattonella farcimenGermany / North SeaTo 1998
Pseudochattonella farcimenNorway / North SeaTo 2010
Pseudochattonella farcimenPolandTo 2001
Pseudochattonella verruculosaDenmark / Baltic SeaTo 2015
Pseudochattonella verruculosaDenmark / North Sea1998
Pseudochattonella verruculosaGermany / North Sea1998
Pseudochattonella verruculosaGreece / Central Mediterranean1998
Pseudochattonella verruculosaGreece / Eastern Mediterranean2000 - 2001
Pseudochattonella verruculosaNorway / North Sea1998
Pseudocuma (Stenocuma) graciloidesRussia / Baltic Sea / St. Petersburg area2004
Pseudodactylogyrus anguillaeDenmark / Baltic Sea1985
Pseudodactylogyrus anguillaeDenmark / North Sea1985
Pseudodactylogyrus anguillaeFrance / Biscay Gulf1984
Pseudodactylogyrus anguillaeFrance / Celtic seas1984
Pseudodactylogyrus anguillaeFrance / English Channel1984
Pseudodactylogyrus anguillaeFrance / North Sea1984
Pseudodactylogyrus anguillaeFrance / Western Mediterranean1984
Pseudodactylogyrus anguillaeGermany / North SeaTo 1995
Pseudodactylogyrus anguillaeNorway / North Sea1990 - 1999
Pseudodactylogyrus anguillaePoland1985
Pseudodactylogyrus anguillaeRussia / Baltic Sea / Kaliningrad area2002
Pseudodactylogyrus anguillaeSweden / North Sea1985
Pseudodactylogyrus biniGermany / North SeaTo 1995
Pseudodactylogyrus biniNorway / North Sea1990 - 1999
Pseudodactylogyrus biniPoland1985
Pseudodiaptomus marinusBelgium2015
Pseudodiaptomus marinusDenmark / Baltic Sea2021
Pseudodiaptomus marinusDenmark / North Sea2018
Pseudodiaptomus marinusFrance / Biscay Gulf2010
Pseudodiaptomus marinusFrance / English Channel2010
Pseudodiaptomus marinusFrance / North Sea2010
Pseudodiaptomus marinusFrance / Western Mediterranean2008
Pseudodiaptomus marinusGermany / North Sea2011
Pseudodiaptomus marinusItaly / Adriatic Sea2007
Pseudodiaptomus marinusItaly / Central Mediterranean2008
Pseudodiaptomus marinusItaly / Western Mediterranean2008
Pseudodiaptomus marinusNetherlands2011
Pseudodiaptomus marinusPortugal / Iberian CoastalTo 2020
Pseudodiaptomus marinusSpain / Iberian CoastalTo 2020
Pseudodiaptomus marinusUnited Kingdom (Britain) / English ChannelTo 2011
Pseudolithoderma roscoffenseUnited Kingdom (Britain) / English Channel1973
Pseudominolia nedymaIsrael1966
Pseudomyicola spinosus spinosusFrance / Biscay Gulf1963
Pseudomyicola spinosus spinosusFrance / Celtic seas1963
Pseudomyicola spinosus spinosusFrance / Western Mediterranean1951
Pseudonereis anomalaGreece / Central Mediterranean2003
Pseudonereis anomalaGreece / Eastern Mediterranean2003
Pseudonereis anomalaIsrael1937
Pseudonereis anomalaItaly / Central Mediterranean2013
Pseudopolydora kempi japonicaFrance / Biscay Gulf2004
Pseudopolydora paucibranchiataAustralia / Bass strait1978
Pseudopolydora paucibranchiataFaroe Islands1987
Pseudopolydora paucibranchiataGreece / Eastern Mediterranean2005
Pseudopolydora paucibranchiataItaly / Western Mediterranean1977
Pseudopolydora paucibranchiataNetherlandsTo 2015
Pseudopolydora paucibranchiataNorway / North SeaTo 1979
Pseudopolydora paucibranchiataNorway / Norwegian SeaTo 1991
Pseudopolydora paucibranchiataPortugal / Iberian Coastal2005
Pseudopolydora paucibranchiataSpain / Iberian CoastalTo 2011
Pseudopolydora paucibranchiataUnited Kingdom (Britain) / Celtic seasTo 1960
Pseudorhaphitoma iodolabiataIsrael2010
Pseudosolenia calcar-avisBulgaria1926
Pseudosolenia calcar-avisDenmark / Baltic Sea2009
Pseudosolenia calcar-avisDenmark / North Sea2009
Pseudosolenia calcar-avisGeorgia1993
Pseudosolenia calcar-avisGermany / Baltic SeaTo 2010
Pseudosolenia calcar-avisRomania1900 - 1909
Pseudosolenia calcar-avisRussia / Black Sea1926
Pseudosolenia calcar-avisRussia / Caspian Sea1934
Pseudosolenia calcar-avisTurkey / Black Sea1996
Pseudosolenia calcar-avisUkraine / Azov SeaFrom 1924
Pseudosolenia calcar-avisUkraine / Black SeaFrom 1924
Psiloteredo megotaraBelgiumTo 1600
Psiloteredo megotaraDenmark / Baltic SeaTo 1944
Psiloteredo megotaraDenmark / North SeaTo 1937
Psiloteredo megotaraFrance / English ChannelTo 1600
Psiloteredo megotaraFrance / North SeaTo 1600
Psiloteredo megotaraGermany / North SeaTo 1937
Psiloteredo megotaraNetherlandsTo 1912
Psiloteredo megotaraNorway / North SeaTo 1962
Psiloteredo megotaraNorway / Norwegian SeaTo 1949
Psiloteredo megotaraPortugal / AzoresTo 1940
Psiloteredo megotaraPortugal / MadeiraTo 1940
Psiloteredo megotaraSweden / North SeaTo 1977
Psiloteredo megotaraUnited Kingdom (Britain) / English ChannelTo 1967
Psiloteredo megotaraUnited Kingdom (Britain) / North Sea / Orkney Islands1950 - 1955
Pteragogus trispilusGreece / Central Mediterranean2008 - 2009
Pteragogus trispilusGreece / Eastern Mediterranean1992
Pteragogus trispilusIsrael1991
Pteria hirundoRomania2002
Pterocladiella capillaceaAustralia / Bass strait1966
Pterocladiella melanoideaTurkey / Black Sea1990 - 1999
Pterois milesGreece / Central Mediterranean2018
Pterois milesGreece / Eastern Mediterranean2009
Pterois milesIsrael1991
Pterois milesItaly / Central Mediterranean2016
Pterosiphonia pinnulataFrance / Biscay Gulf1993
Pterosiphonia pinnulataFrance / English Channel1993
Pterosiphonia pinnulataPortugal / Azores2005 - 2007
Pterosiphonia pinnulataUnited Kingdom (Britain) / Celtic seas 
Pterosiphonia pinnulataUnited Kingdom (Britain) / English Channel 
Pterosiphonia tanakaeFrance / Biscay Gulf2005
Pterosiphonia tanakaeFrance / English Channel2008
Pterosperma cristatumRomania1970
Pterosperma cristatumUkraine / Black SeaFrom 1948
Pterosperma joergenseniBulgaria1948
Pterosperma joergenseniRomania1948
Pterosperma joergenseniUkraine / Black SeaFrom 1948
Ptilohyale exploratorFrance / Biscay Gulf1989
Ptilohyale littoralisBelgiumTo 2018
Ptilohyale littoralisFrance / English Channel2014
Ptilohyale littoralisFrance / North Sea2014
Ptilohyale littoralisItaly / Adriatic Sea2023
Ptilohyale littoralisNetherlands2009
Puellina innominataSpain / Canary IslandsTo 2003
Punctaria latifoliaAustralia / Bass strait1971
Punctaria tenuissimaFrance / Western Mediterranean1970
Punctaria tenuissimaTurkey / Black Sea1993
Purpuradusta gracilis notataIsrael1981
Pycnoclavella taureanensisPortugal / MadeiraTo 1998
Pylaiella littoralisAustralia / Bass strait1971
Pylaiella littoralisFrance / Biscay Gulf1964
Pylaiella littoralisFrance / English Channel1964
Pylaiella littoralisFrance / North Sea1984
Pylaiella littoralisFrance / Western Mediterranean1985
Pylaiella littoralisGreece / Central Mediterranean1975
Pylaiella littoralisGreece / Eastern Mediterranean1967
Pylaiella littoralisTurkey / Black Sea1998
Pyramimonas longicaudaUkraine / Black SeaFrom 2001
Pyrgulina fischeriIsrael1974
Pyrgulina nanaIsrael2018
Pyrgulina pirinthellaIsrael1984
Pyrgulina pupaeformisIsrael1935
Pyrodinium bahamenseSpain / Iberian CoastalTo 2008
Pyromaia tuberculataAustralia / Bass strait1995
Pyropia koreanaGreece / Eastern Mediterranean2000
Pyropia koreanaIsrael2017
Pyropia leucostictaIceland1979
Pyropia njordiiIceland2005
Pyrunculus fourieriiGreece / Eastern Mediterranean2013
Pyrunculus fourieriiIsrael1989
Pyura tessellataPortugal / AzoresTo 1971
Quistadrilus multisetosusBelgiumTo 1996
Rachycentron canadumIsrael1978
Radicilingua thysanorhizansFrance / Western Mediterranean1969
Raeta pulchellaAustralia / Bass strait1991
Rangia cuneataBelgium2005
Rangia cuneataEstonia2014
Rangia cuneataFinland2021
Rangia cuneataFrance / English Channel2017
Rangia cuneataFrance / North Sea2005
Rangia cuneataGermany / Baltic Sea2014 - 2015
Rangia cuneataGermany / North Sea2013
Rangia cuneataLithuania2013
Rangia cuneataNetherlandsTo 2005
Rangia cuneataPoland2011
Rangia cuneataRussia / Baltic Sea / Kaliningrad area2010
Rangia cuneataSweden / Baltic Sea2016
Rapana venosaBelgiumTo 2006
Rapana venosaBulgaria1956
Rapana venosaFrance / Biscay Gulf1997
Rapana venosaFrance / Celtic seas1998
Rapana venosaFrance / Western Mediterranean2015
Rapana venosaGeorgia1947
Rapana venosaGreece / Eastern Mediterranean1986
Rapana venosaItaly / Adriatic Sea1973
Rapana venosaItaly / Central MediterraneanTo 2006
Rapana venosaItaly / Western Mediterranean1978
Rapana venosaNetherlands2005
Rapana venosaRomaniaFrom 1961
Rapana venosaRussia / Black Sea1946
Rapana venosaSpain / Iberian Coastal2007
Rapana venosaTurkey / Black Sea1960
Rapana venosaUkraine / Black SeaFrom 1954
Rapana venosaUnited Kingdom (Britain) / North Sea2005
Rastrelliger kanagurtaIsrael1967
Rathkea octopunctataRomaniaFrom 1959
Redicirce sulcataIsrael1970
Reptadeonella violaceaPortugal / Iberian Coastal2012
Reptadeonella violaceaPortugal / MadeiraTo 2013
Reptadeonella violaceaSpain / Canary IslandsTo 2003
Reteporella jermanensisIsrael1974
Retusa desgenettiiIsrael1997
Rhabdosargus haffaraIsrael1991
Rhincalanus sp.Ukraine / Black SeaFrom 1997
Rhinoclavis kochiGreece / Eastern Mediterranean2015
Rhinoclavis kochiIsrael1963
Rhinoclavis sinensisIsrael2003
Rhithropanopeus harrisiiBelgium1985
Rhithropanopeus harrisiiBulgaria1934
Rhithropanopeus harrisiiDenmark / Baltic Sea1953
Rhithropanopeus harrisiiDenmark / North Sea1953
Rhithropanopeus harrisiiEstonia2011
Rhithropanopeus harrisiiFinland2009
Rhithropanopeus harrisiiFrance / Biscay Gulf1955
Rhithropanopeus harrisiiFrance / Celtic seas1959
Rhithropanopeus harrisiiFrance / English Channel1955
Rhithropanopeus harrisiiFrance / North Sea1950
Rhithropanopeus harrisiiFrance / Western MediterraneanTo 2001
Rhithropanopeus harrisiiGermany / Baltic Sea1948 - 1950
Rhithropanopeus harrisiiGermany / North Sea1910 - 1914
Rhithropanopeus harrisiiItaly / Adriatic Sea1993
Rhithropanopeus harrisiiItaly / Western Mediterranean2013
Rhithropanopeus harrisiiLatvia2013
Rhithropanopeus harrisiiLithuania2001
Rhithropanopeus harrisiiNetherlands1874
Rhithropanopeus harrisiiPoland1951
Rhithropanopeus harrisiiPortugal / Iberian CoastalTo 1978
Rhithropanopeus harrisiiRomaniaFrom 1951
Rhithropanopeus harrisiiRussia / Azov Sea1950
Rhithropanopeus harrisiiRussia / Baltic Sea / Kaliningrad area1950
Rhithropanopeus harrisiiSpain / Iberian CoastalTo 1991
Rhithropanopeus harrisiiSweden / Baltic Sea2014
Rhithropanopeus harrisiiUkraine / Black Sea1937 - 1948
Rhithropanopeus harrisiiUnited Kingdom (Britain) / Celtic seas1996
Rhizogeton nudusIcelandTo 2010
Rhizogeton nudusNorway / Barents SeaTo 1998
Rhizogeton nudusUnited Kingdom (Britain) / North SeaTo 2010
Rhizosolenia setigeraBulgaria1987
Rhizosolenia setigeraGeorgia1989
Rhizosolenia setigeraRomania1987
Rhodophysema georgeiFrance / Western Mediterranean1978
Rhodosoma turcicumIsrael2004
Rhopilema nomadicaGreece / Central Mediterranean2006
Rhopilema nomadicaGreece / Eastern Mediterranean2017
Rhopilema nomadicaIsrael1976
Rhopilema nomadicaItaly / Central Mediterranean2015
Rhopilema nomadicaItaly / Western Mediterranean2015
Rhynchoconger trewavasaeIsrael1987
Rissoina bertholletiIsrael1958
Rissoina spirataIsrael1997
Robertgurneya ecaudataUkraine / Black Sea1969
Robertgurneya rostrataTurkey / Black Sea2009
Robertgurneya rostrataUkraine / Black SeaFrom 1964
Ruditapes decussatusPortugal / AzoresTo 1900
Ruditapes philippinarumBelgiumTo 2006
Ruditapes philippinarumFrance / Biscay Gulf1976
Ruditapes philippinarumFrance / Celtic seas1979
Ruditapes philippinarumFrance / English Channel1973
Ruditapes philippinarumFrance / North Sea2009
Ruditapes philippinarumFrance / Western Mediterranean1981
Ruditapes philippinarumGermany / North Sea2016
Ruditapes philippinarumIreland1982
Ruditapes philippinarumItaly / Adriatic Sea1983
Ruditapes philippinarumItaly / Central Mediterranean1983 - 1990
Ruditapes philippinarumItaly / Western Mediterranean1985
Ruditapes philippinarumNetherlandsTo 2008
Ruditapes philippinarumNorway / North Sea1987
Ruditapes philippinarumNorway / Norwegian Sea1987
Ruditapes philippinarumPortugal / Iberian CoastalTo 1984
Ruditapes philippinarumRomania1985
Ruditapes philippinarumRussia / Black Sea1985
Ruditapes philippinarumSpain / Iberian CoastalTo 2005
Ruditapes philippinarumUnited Kingdom (Britain) / Celtic seas1980
Ruditapes philippinarumUnited Kingdom (Britain) / English Channel1980
Ruditapes philippinarumUnited Kingdom (Britain) / North Sea1981 - 1987
Rugalucina angelaIsrael2016
Rugulopteryx okamuraeFrance / Western Mediterranean2002
Rugulopteryx okamuraeItaly / Adriatic Sea2023
Rugulopteryx okamuraeItaly / Central Mediterranean2024
Rugulopteryx okamuraeItaly / Western Mediterranean2023
Rugulopteryx okamuraePortugal / Iberian Coastal2021
Sabella spallanzaniiAustralia / Bass strait1984
Sabella spallanzaniiNew Zealand / New Zealand Shelf / North Island2009
Sabella spallanzaniiNew Zealand / New Zealand Shelf / South Island2008
Sabella spallanzaniiPortugal / AzoresTo 1954
Sabella spallanzaniiSpain / Iberian CoastalTo 2003
Sabellaria spinulosaNetherlands1938
Sabia conicaIsrael1980
Saccharina japonicaFrance / Western Mediterranean1976
Saccharina japonicaGermany / North SeaTo 1980
Saccostrea glomerataItaly / Adriatic Sea1984
Saduria entomonUkraine / Black Sea2009
Salmo salarTurkey / Black Sea1992
Salpingella decurtataRomania2012
Salpingella decurtataUkraine / Black Sea2002
Salpingella sp.Ukraine / Black SeaFrom 2002
Salvelinus fontinalisDenmark / Baltic Sea1916
Salvelinus fontinalisDenmark / North Sea1916
Salvelinus fontinalisFinland1890 - 1899
Salvelinus fontinalisSweden / Baltic Sea1892
Salvelinus namaycushFinland1960 - 1969
Salvelinus namaycushSweden / Baltic Sea1958
Sander luciopercaPortugal / AzoresTo 2004
Sarcodiotheca gaudichaudiiUnited Kingdom (Britain) / English Channel1974
Sarconema filiformeIsrael1945
Sarconema scinaioidesGreece / Eastern Mediterranean1980
Sardinella auritaBulgaria1980 - 1989
Sardinella auritaGeorgia1937
Sardinella auritaRomania1980 - 1989
Sardinella auritaRussia / Black Sea1980 - 1989
Sardinella auritaTurkey / Black Sea1997
Sardinella auritaUkraine / Black SeaFrom 1999
Sardinella gibbosaIsrael2008
Sargassum hornschuchiiTurkey / Black Sea1990 - 1999
Sargassum muticumBelgium1999
Sargassum muticumDenmark / Baltic Sea1984
Sargassum muticumDenmark / North Sea1984
Sargassum muticumFrance / Biscay Gulf1975
Sargassum muticumFrance / Celtic seas1976
Sargassum muticumFrance / English Channel1975
Sargassum muticumFrance / North Sea1979
Sargassum muticumFrance / Western Mediterranean1980
Sargassum muticumGermany / North Sea1988
Sargassum muticumIrelandTo 1995
Sargassum muticumItaly / Adriatic Sea1992
Sargassum muticumNetherlands1977
Sargassum muticumNorway / North Sea1988
Sargassum muticumPortugal / Iberian Coastal1989
Sargassum muticumSpain / Iberian Coastal1985
Sargassum muticumSweden / Baltic SeaTo 2005
Sargassum muticumSweden / North Sea1985
Sargassum muticumUnited Kingdom (Britain) / Celtic seas1971
Sargassum muticumUnited Kingdom (Britain) / English Channel1971
Sargassum muticumUnited Kingdom (Britain) / North Sea1981
Sargassum muticumUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2015
Sargocentron rubrumGreece / Central Mediterranean2017
Sargocentron rubrumGreece / Eastern Mediterranean1947
Sargocentron rubrumIsrael1945
Saron marmoratusIsrael2013
Sarpa salpaBulgaria1949
Sarpa salpaGeorgia1938
Sarpa salpaRomania1949
Sarpa salpaTurkey / Black Sea1998
Sarpa salpaUkraine / Black SeaFrom 1999
Sarsameira parvaTurkey / Black Sea2009
Sarsamphiascus parvusRussia / Black Sea1999
Saurida lessepsianusGreece / Central Mediterranean1990
Saurida lessepsianusGreece / Eastern Mediterranean1940 - 1945
Saurida lessepsianusIsrael1952
Savoryella lignicolaUkraine / Black SeaFrom 2001
Scageliopsis patensPortugal / AzoresTo 1989
Scageliopsis patensPortugal / Iberian CoastalFrom 2006
Scageliopsis patensSpain / Iberian CoastalTo 2008
Scaliola elataIsrael1987
Scartella cristataDenmark / Baltic Sea1934
Scarus ghobbanGreece / Eastern Mediterranean2014
Scarus ghobbanIsrael2001
Scherocumella gurneyiIsrael2005
Schizobrachiella verrilliBelgiumTo 1905
Schizobrachiella verrilliGermany / North Sea2011 - 2012
Schizobrachiella verrilliNetherlandsTo 2015
Schizoporella errataPortugal / Azores2013
Schizoporella errataPortugal / Iberian Coastal2016
Schizoporella errataPortugal / Madeira1897
Schizoporella errataSpain / Canary IslandsTo 2003
Schizoporella japonicaDenmark / North Sea2021
Schizoporella japonicaGermany / North Sea2018
Schizoporella japonicaIrelandTo 2015
Schizoporella japonicaNetherlandsTo 2018
Schizoporella japonicaNorway / Norwegian SeaFrom 2014
Schizoporella japonicaSpain / Spain2017
Schizoporella japonicaUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 2011
Schizoporella pungensPortugal / Madeira2010
Schizoporella unicornisAustralia / Bass strait1802 - 1880
Schizoporella unicornisFrance / English Channel2000
Schizoporella unicornisFrance / North Sea2000
Schizoporella unicornisPortugal / AzoresFrom 2009
Schizoporella unicornisSpain / Canary IslandsTo 2003
Schottera nicaeensisAustralia / Bass strait1975
Schyzocotyle acheilognathiNorway / Norwegian SeaTo 2012
Sciaenops ocellatusChina / Yellow SeaTo 2001
Sciaenops ocellatusIsrael1999
Sciaenops ocellatusItaly / Central Mediterranean2016
Scolecetrix sp.Ukraine / Black SeaFrom 2001
Scolionema suvaenseItaly / Western Mediterranean1972
Scomberomorus commersonGreece / Central Mediterranean2017
Scomberomorus commersonGreece / Eastern Mediterranean2008
Scomberomorus commersonIsrael1935
Scrippsiella acuminataBulgaria1989
Scrippsiella acuminataGeorgia1985
Scrippsiella acuminataNetherlandsTo 2018
Scrippsiella acuminataRomania1982
Scrippsiella acuminataRussia / Black Sea2001
Scrippsiella acuminataTurkey / Black Sea1990 - 1999
Scrippsiella acuminataUkraine / Black Sea1960 - 1969
Scrippsiella operosaBulgaria2008
Scruparia ambiguaAustralia / Bass strait1881
Scruparia ambiguaSpain / Canary IslandsTo 2003
Scrupocellaria scrupeaAustralia / Bass strait1887
Scrupocellaria scruposaAustralia / Bass straitFrom 1900
Scrupocellaria scruposaGreece / Eastern Mediterranean1967
Scyllarus capartiItaly / Adriatic Sea1977
Scytosiphon dotyiFrance / Western Mediterranean1994
Scytosiphon dotyiGreece / Eastern Mediterranean2013
Scytosiphon dotyiItaly / Adriatic Sea1960 - 1977
Scytosiphon dotyiPortugal / Iberian Coastal2016
Scytosiphon dotyiSpain / Canary IslandsTo 2004
Scytosiphon dotyiSpain / Iberian CoastalTo 1998
Scytosiphon dotyiUnited Kingdom (Britain) / North Sea1900
Scytosiphon lomentariaAustralia / Bass strait1971
Sebastes schlegeliiBelgium2008
Sebastes schlegeliiNetherlands2008
Sebastiscus marmoratusNorway / North Sea2016
Sepia pharaonisIsrael2003
Sepioteuthis lessonianaGreece / Eastern Mediterranean2009
Sepioteuthis lessonianaIsrael2004
Septifer cumingiiGreece / Eastern Mediterranean2010
Septifer cumingiiIsrael2007
Serranus hepatusTurkey / Black Sea2012
Sertularia marginataGreece / Eastern Mediterranean1990
Sertularia marginataIsrael1949
Sertularia marginataSpain / Iberian CoastalTo 1991
Sicyonia lanciferIsrael2015
Sigambra tentaculataGeorgia1978
Sigambra tentaculataUkraine / Black Sea1960 - 1969
Siganus fuscescensItaly / Western Mediterranean2020
Siganus luridusFrance / Western Mediterranean2008
Siganus luridusGreece / Adriatic Sea2014
Siganus luridusGreece / Central Mediterranean1973
Siganus luridusGreece / Eastern Mediterranean1964
Siganus luridusIsrael1955
Siganus luridusItaly / Adriatic Sea2010
Siganus luridusItaly / Central Mediterranean2003
Siganus luridusItaly / Western Mediterranean2004
Siganus rivulatusFrance / Western Mediterranean2018
Siganus rivulatusGreece / Adriatic Sea2014
Siganus rivulatusGreece / Central Mediterranean2007
Siganus rivulatusGreece / Eastern Mediterranean1925
Siganus rivulatusIsrael1924
Siganus rivulatusItaly / Central Mediterranean2015
Silhouettea aegyptiaIsrael1998
Sillago suezensisGreece / Eastern Mediterranean2018
Sillago suezensisIsrael1977
Sinanodonta woodianaBelgiumTo 1999
Sinanodonta woodianaUkraine / Black Sea1999 - 2000
Sinelobus stanfordiBelgium2006
Sinelobus stanfordiFrance / North Sea2016
Sinelobus stanfordiGermany / Baltic Sea2012
Sinelobus stanfordiGermany / North SeaTo 2012
Sinelobus stanfordiLatvia2015
Sinelobus stanfordiNetherlands2006
Sinelobus vanhaareniBelgiumTo 2007
Sinelobus vanhaareniDenmark / Baltic Sea2021
Sinelobus vanhaareniDenmark / North Sea2021
Sinelobus vanhaareniEstonia2010
Sinelobus vanhaareniFinlandFrom 2016
Sinelobus vanhaareniGermany / Baltic Sea2012
Sinelobus vanhaareniGermany / North Sea2009
Sinelobus vanhaareniPoland2014
Sinelobus vanhaareniSweden / North Sea2020
Sinotaia quadrataFrance / Biscay Gulf2017
Sinotaia quadrataSpain / Iberian Coastal2017
Siphonaria crenataIsrael1965
Siphonaria pectinataGreece / Eastern Mediterranean1973
Sirpus monodiGreece / Central Mediterranean2006
Sirpus monodiGreece / Eastern Mediterranean2002
Sirpus zariquieyiTurkey / Black Sea1982
Skeletonema subsalsumUkraine / Black SeaFrom 1993
Skistodiaptomus pallidusGermany / North SeaTo 2010
Smaragdia souverbianaGreece / Central Mediterranean2012
Smaragdia souverbianaGreece / Eastern Mediterranean1993
Smaragdia souverbianaIsrael1987
Smittina nitidissimaIsrael1986
Smittina nitidissimaItaly / Central Mediterranean2014
Smittoidea prolificaGermany / North Sea2011
Smittoidea prolificaNetherlands1995
Solieria chordalisUnited Kingdom (Britain) / Celtic seas1976
Solieria chordalisUnited Kingdom (Britain) / English Channel1976
Solieria duraIsrael1954
Solieria filiformisAustralia / Bass strait1957
Solieria filiformisFrance / Western Mediterranean1999
Solieria filiformisItaly / Adriatic Sea2003
Solieria filiformisItaly / Central Mediterranean1922
Solieria filiformisUnited Kingdom (Britain) / English Channel1978
Solmundella bitentaculataTurkey / Black Sea2010
Sorites orbiculusItaly / Central Mediterranean2005
Sorites orbiculusTurkey / Black Sea2010
Sorsogona prionotaIsrael1946
Sousa plumbeaGreece / Eastern Mediterranean2017
Spartina alternifloraFrance / Biscay Gulf1806
Spartina alternifloraFrance / Celtic seas1960
Spartina alternifloraFrance / English Channel1960
Spartina densifloraPortugal / Iberian Coastal1986
Spartina densifloraSpain / Iberian Coastal1950 - 1959
Spartina patensFrance / Biscay Gulf1901
Spartina patensFrance / Celtic seas1901
Spartina patensFrance / Western Mediterranean1849
Spartina patensPortugal / Iberian Coastal1999
Spartina patensSpain / Iberian CoastalTo 1997
Spartina townsendii var. anglicaBelgium1920 - 1929
Spartina townsendii var. anglicaDenmark / Baltic Sea1948 - 1953
Spartina townsendii var. anglicaDenmark / North Sea1930 - 1940
Spartina townsendii var. anglicaFrance / Biscay Gulf1924
Spartina townsendii var. anglicaFrance / Celtic seas1894
Spartina townsendii var. anglicaFrance / English Channel1894
Spartina townsendii var. anglicaFrance / North SeaTo 1990
Spartina townsendii var. anglicaGermany / North Sea1927
Spartina townsendii var. anglicaIreland1925
Spartina townsendii var. anglicaNetherlands1924
Spartina townsendii var. anglicaSweden / North SeaFrom 2007
Spartina townsendii var. anglicaUnited Kingdom (Britain) / Celtic seas1850 - 1859
Spartina townsendii var. anglicaUnited Kingdom (Britain) / English Channel1850 - 1859
Spartina x neyrautiFrance / Biscay Gulf1897
Spartina x townsendiiFrance / Biscay Gulf1906 - 1910
Spartina x townsendiiFrance / Celtic seas1906
Spartina x townsendiiFrance / English Channel1906
Spartina x townsendiiFrance / North Sea2000 - 2010
Spartina x townsendiiIreland1930 - 1934
Sparus aurataBulgaria1940 - 1949
Sparus aurataGeorgia1937
Sparus aurataPortugal / MadeiraTo 2002
Sparus aurataRomania1940 - 1949
Sparus aurataTurkey / Black Sea1942
Sparus aurataUkraine / Black Sea1987
Spatoglossum asperumIsrael1962
Spatulodinium pseudonoctilucaUkraine / Black SeaFrom 2001
Spermothamnion cymosumItaly / Adriatic Sea2010
Sphacelaria fuscaAustralia / Bass strait1977
Sphaerococcus coronopifoliusNorway / North Sea1994
Sphaerococcus coronopifoliusSweden / North SeaTo 1994
Sphaeroma serratumPortugal / AzoresTo 1990
Sphaeroma walkeriFrance / Western Mediterranean1977
Sphaeroma walkeriGreece / Eastern Mediterranean2015
Sphaeroma walkeriIsrael1971
Sphaeroma walkeriItaly / Western Mediterranean2010
Sphaeroma walkeriPortugal / MadeiraFrom 2015
Sphaeroma walkeriRomania2004
Sphaerotrichia divaricataFrance / Western Mediterranean1981
Sphaerotrichia divaricataPortugal / Azores1991
Sphaerotrichia firmaFrance / Western Mediterranean1980
Sphenia rueppelliiIsrael1978
Sphoeroides pachygasterFrance / Western Mediterranean1991
Sphyraena chrysotaeniaGreece / Central Mediterranean2011
Sphyraena chrysotaeniaGreece / Eastern Mediterranean1995
Sphyraena flavicaudaGreece / Eastern Mediterranean2003
Sphyraena flavicaudaIsrael1991
Sphyraena obtusataUkraine / Black SeaFrom 1999
Sphyraena pinguisIsrael1931
Sphyrna zygaenaRomania1950 - 1959
Spirobranchus latiscapusSpain / Iberian CoastalTo 2017
Spirobranchus tetracerosGreece / Eastern Mediterranean1970
Spirobranchus tetracerosIsrael1976
Spirobranchus tetracerosItaly / Central Mediterranean2016
Spirorbis (Spirorbis) marioniFrance / Western Mediterranean1977
Spirorbis (Spirorbis) marioniGreece / Eastern Mediterranean1997
Spirorbis (Spirorbis) marioniItaly / Western Mediterranean1977
Spirorbis (Spirorbis) marioniPortugal / AzoresTo 1979
Spirorbis (Spirorbis) marioniPortugal / MadeiraTo 1995
Spirorbis (Spirorbis) marioniSpain / Canary IslandsTo 1980
Spisula solidissimaNetherlands1982
Spondylus nicobaricusIsrael2002
Spondylus spinosusGreece / Eastern Mediterranean2008 - 2013
Spondylus spinosusIsrael1992
Spongoclonium caribaeumFrance / Celtic seas1967
Spongoclonium caribaeumFrance / English Channel1967
Spongoclonium caribaeumFrance / Western Mediterranean1974
Spongoclonium caribaeumPortugal / Azores2005 - 2007
Spongoclonium caribaeumSpain / Canary Islands1970 - 1979
Spratelloides delicatulusIsrael1973
Spyridia hypnoidesIsrael1937
Stenothoe georgianaItaly / Adriatic Sea2017
Stenothoe georgianaItaly / Central Mediterranean2016
Stenothoe georgianaItaly / Western Mediterranean2013
Stephanolepis diasprosGreece / Central Mediterranean2016
Stephanolepis diasprosGreece / Eastern Mediterranean1943
Stephanolepis diasprosIsrael1925
Stephanolepis diasprosItaly / Central Mediterranean1967
Stephanolepis diasprosItaly / Western Mediterranean1983
Stephanopyxis palmerianaBelgiumTo 2006
Stephanopyxis palmerianaGermany / North Sea1990
Stephanopyxis palmerianaNetherlandsTo 2006
Stephanopyxis palmerianaSweden / North SeaTo 2006
Stephanopyxis turrisIceland1997
Stephos cryptospinosusFrance / Biscay Gulf2010
Stephos marsalensisFrance / Biscay GulfTo 2014
Sternaspis scutataUnited Kingdom (Britain) / English Channel1986
Sternodromia spinirostrisItaly / Central Mediterranean1969 - 1972
Sticteulima lentiginosaIsrael2004
Stictyosiphon soriferusAustralia / Bass strait1969
Stolephorus indicusIsrael2015
Stolephorus insularisIsrael2009
Stramonita haemastomaFrance / English Channel2018
Stratiotes aloidesIrelandFrom 1836
Streblosoma pseudocomatusItaly / Western Mediterranean1981
Streblospio benedictiDenmark / North SeaTo 2017
Streblospio benedictiFrance / Biscay Gulf1982
Streblospio benedictiFrance / Celtic seas1982
Streblospio benedictiFrance / English Channel2009
Streblospio benedictiFrance / North Sea2009
Streblospio benedictiGermany / North SeaTo 2006
Streblospio benedictiNetherlandsTo 2006
Streblospio benedictiRussia / Baltic Sea / Kaliningrad area1997
Streblospio eridaniItaly / Adriatic Sea2016 - 2017
Streblospio gynobranchiataRomania2011
Streblospio gynobranchiataRussia / Black Sea2001
Streptosyllis variansBulgaria1966
Strongylocentrotus intermediusChina / Yellow SeaTo 2001
Styela canopusFrance / Western Mediterranean2019
Styela canopusPortugal / Iberian Coastal2015
Styela canopusPortugal / Madeira2006
Styela clavaAustralia / Bass strait1976
Styela clavaBelgiumTo 1986
Styela clavaCanada / South-eastern Scotian Shelf2012
Styela clavaCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1998
Styela clavaDenmark / Baltic Sea1981
Styela clavaDenmark / North Sea1981
Styela clavaFrance / Biscay Gulf1979
Styela clavaFrance / Celtic seas1968
Styela clavaFrance / English Channel1968
Styela clavaFrance / North Sea1970
Styela clavaFrance / Western Mediterranean2004
Styela clavaGermany / Baltic Sea2017
Styela clavaGermany / North Sea1997
Styela clavaIrelandTo 1971
Styela clavaItaly / Adriatic Sea2021
Styela clavaNetherlands1974
Styela clavaNorway / North SeaTo 2011
Styela clavaPortugal / Iberian CoastalTo 2003
Styela clavaRomania2004
Styela clavaSpain / Iberian CoastalTo 2005
Styela clavaSweden / North SeaTo 2023
Styela clavaUnited Kingdom (Britain) / Celtic seas1953
Styela clavaUnited Kingdom (Britain) / English Channel1953
Styela clavaUnited Kingdom (Britain) / North SeaTo 1998
Styela clavaUnited Kingdom (Britain) / North Sea / Orkney Islands2020
Styela plicataAustralia / Bass strait1966
Styela plicataFrance / Western Mediterranean1950
Styela plicataGreece / Eastern Mediterranean1968
Styela plicataIsrael1955
Styela plicataItaly / Adriatic Sea1953 - 1955
Styela plicataItaly / Central Mediterranean1972 - 1982
Styela plicataItaly / Western Mediterranean1822 - 1830
Styela plicataPortugal / AzoresTo 2010
Styela plicataPortugal / Iberian CoastalTo 2009
Styela plicataPortugal / Madeira1992
Styela plicataSpain / Iberian CoastalTo 2016
Stylocheiron sp.Romania1978
Stylochus flevensisNetherlands1921
Stylonema alsidiiAustralia / Bass strait1977
Stylonema cornu-cerviTurkey / Black Sea2000 - 2009
Stypopodium schimperiGreece / Central Mediterranean2008
Stypopodium schimperiGreece / Eastern Mediterranean1994
Stypopodium schimperiIsrael1995
Stypopodium schimperiSpain / Canary IslandsTo 2002
Suberites massaNetherlandsTo 1989
Suberites massaUnited Kingdom (Britain) / English Channel 
Suberites massaUnited Kingdom (Britain) / North SeaTo 2002
Sycon raphanusUSA / California Current2012
Sycon scaldienseNetherlandsTo 1975
Syllidia armataNetherlands1943
Syllis gracilisNetherlands1940
Syllis hyllebergiFrance / Western Mediterranean2019
Syllis hyllebergiItaly / Adriatic Sea2014
Syllis hyllebergiItaly / Central Mediterranean2008
Syllis hyllebergiItaly / Western Mediterranean2008
Syllis pectinansItaly / Adriatic Sea2013
Syllis pectinansItaly / Western Mediterranean2013
Syllis pectinansSpain / Iberian CoastalTo 2017
Syllis similisunzimaItaly / Adriatic Sea2023
Symphyocladia marchantioidesItaly / Western Mediterranean1984
Symphyocladia marchantioidesPortugal / Azores1971
Symphyocladia marchantioidesPortugal / Iberian CoastalFrom 2003
Symphyocladiella dendroideaFrance / Biscay Gulf2005
Symphyocladiella dendroideaFrance / Celtic seas2018
Symphyocladiella dendroideaFrance / English Channel2022
Symphyocladiella dendroideaFrance / Western Mediterranean1995
Symplegma brakenhielmiGreece / Eastern Mediterranean2015
Symplegma brakenhielmiIsrael1951
Symplegma brakenhielmiItaly / Central Mediterranean2016
Symplegma brakenhielmiItaly / Western Mediterranean2014
Symplegma brakenhielmiPortugal / MadeiraFrom 2015
Synagrops japonicusItaly / Western Mediterranean1987
Synanceia verrucosaIsrael2010
Synaptula reciprocansGreece / Eastern Mediterranean1995
Synaptula reciprocansIsrael1971
Synchiropus sechellensisGreece / Central Mediterranean2018
Synchiropus sechellensisGreece / Eastern Mediterranean2014
Syngnathus acusTurkey / Black Sea2000 - 2009
Syngnathus acusUkraine / Black Sea2006
Synidotea laevidorsalisFrance / Biscay GulfTo 1975
Synidotea laevidorsalisFrance / Celtic seas1975
Synidotea laticaudaBelgiumTo 2005
Synidotea laticaudaFrance / Biscay GulfTo 1975
Synidotea laticaudaFrance / English Channel2017
Synidotea laticaudaGermany / North Sea2011
Synidotea laticaudaNetherlands2009
Synidotea laticaudaSpain / Iberian CoastalTo 1996
Synurella ambulansBelgiumTo 2016
Syphonota geographicaGreece / Central Mediterranean2002
Syphonota geographicaGreece / Eastern Mediterranean2014
Syphonota geographicaItaly / Central Mediterranean1999
Syracolithus dalmaticusUkraine / Black Sea1990 - 1999
Syrnola fasciataGreece / Eastern Mediterranean2012
Syrnola fasciataIsrael1949
Syrnola lendixIsrael1994
Tachidiella minutaTurkey / Black Sea2009
Taeniastrotus sp.IrelandTo 1993
Takayama tasmanicaFrance / Biscay GulfTo 2008
Talochlamys multistriataSpain / Iberian CoastalTo 2017
Tasserkidrilus americanusBelgiumTo 2006
Tasserkidrilus americanusNetherlandsTo 2016
Taurulus bubalisIceland2005
Tayuva lilacinaGreece / Eastern Mediterranean2012
Tedania anhelansAustralia / Bass strait1886
Tellina compressaSpain / Iberian CoastalTo 2002
Telmatogeton japonicusBelgiumTo 2005
Telmatogeton japonicusFinland2008
Telmatogeton japonicusFrance / English Channel2005
Telmatogeton japonicusFrance / North Sea2005
Telmatogeton japonicusGermany / Baltic Sea1962
Telmatogeton japonicusGermany / North Sea1979
Telmatogeton japonicusIrelandTo 1999
Telmatogeton japonicusNetherlandsTo 1993
Telmatogeton japonicusPoland1970
Telmatogeton japonicusSweden / Baltic Sea2007
Telmatogeton japonicusSweden / North Sea1983
Telmatogeton japonicusUnited Kingdom (Britain) / North Sea / Orkney Islands2015
Tenellia adspersaPortugal / Iberian Coastal2016
Tenellia adspersaRussia / Caspian Sea1989
Terapon jarbuaIsrael2009
Terapon putaIsrael1984
Terapon putaItaly / Adriatic Sea2021
Terapon therapsGreece / Eastern Mediterranean2008
Terebella ehrenbergiIsrael1976
Terebella lapidariaIreland1993
Teredo bartschiIsrael1961 - 1964
Teredo bartschiItaly / Adriatic Sea2007
Teredo bartschiItaly / Central Mediterranean2009
Teredo bartschiPortugal / Iberian Coastal2003
Teredo navalisBelgiumTo 1600
Teredo navalisBulgariaTo 0001
Teredo navalisDenmark / Baltic SeaTo 1853
Teredo navalisDenmark / North SeaTo 1853
Teredo navalisFaroe IslandsTo 1950
Teredo navalisFrance / Biscay GulfTo 1950
Teredo navalisFrance / Celtic seas 
Teredo navalisFrance / English ChannelTo 1886
Teredo navalisFrance / North SeaTo 1730
Teredo navalisFrance / Western MediterraneanTo 1886
Teredo navalisGermany / Baltic Sea1800 - 1899
Teredo navalisGermany / North Sea1791
Teredo navalisGreece / Central Mediterranean1883
Teredo navalisGreece / Eastern Mediterranean1940
Teredo navalisIrelandTo 1845
Teredo navalisNetherlandsTo 1660
Teredo navalisNorway / North Sea1701 - 1800
Teredo navalisNorway / Norwegian SeaTo 2001
Teredo navalisPortugal / Iberian CoastalTo 1979
Teredo navalisRomaniaTo 0001
Teredo navalisRussia / Azov Sea1953
Teredo navalisSweden / Baltic Sea1800 - 1899
Teredo navalisSweden / North Sea1800 - 1850
Teredo navalisTurkey / Black Sea2007
Teredo navalisUkraine / Black SeaTo 0001
Teredo navalisUnited Kingdom (Britain) / Celtic seas1100 - 1199
Teredo navalisUnited Kingdom (Britain) / English Channel 
Teredo navalisUnited Kingdom (Britain) / North Sea 
Teredora malleolusUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1956
Tessepora atlanticumPortugal / AzoresTo 1965
Tetrancistrum polymorphusIsrael1971
Tetrancistrum strophosolenumIsrael1971
Tetrancistrum suezicusIsrael1971
Tetraodon fluviatilisBelgium2001
Tetrosomus gibbosusIsrael1987
Thalamita gloriensisItaly / Western Mediterranean1977
Thalamita poissoniiGreece / Eastern Mediterranean1983
Thalamita poissoniiIsrael1952
Thalassiosira hendeyiBelgiumTo 1978
Thalassiosira hendeyiGermany / North SeaTo 1993
Thalassiosira hendeyiNetherlandsTo 1978
Thalassiosira nordenskioeldiiBulgaria1986
Thalassiosira nordenskioeldiiNetherlandsTo 1991
Thalassiosira nordenskioeldiiRomania1986
Thalassiosira nordenskioeldiiUkraine / Black Sea1986 - 2000
Thalassiosira tealataFrance / Biscay Gulf1950
Thalassiosira tealataFrance / Celtic seas 
Thalassiosira tealataFrance / English Channel1950
Thalassiosira tealataFrance / North Sea1950
Thalassiosira tealataGermany / North Sea2001 - 2003
Thalassiosira tealataNorway / North Sea1968
Thalassiosira tealataUnited Kingdom (Britain) / Celtic seas1950
Thalassiosira tealataUnited Kingdom (Britain) / English Channel1950
Tharyx killariensisDenmark / Baltic Sea2012
Tharyx killariensisDenmark / North Sea2012
Tharyx killariensisGermany / North Sea1972
Thecadinium kofoidiiFrance / English ChannelTo 2011
Thecadinium kofoidiiGermany / North Sea1997
Thecadinium yashimaenseGermany / North Sea2002
Thelepus japonicusFrance / Biscay Gulf2017
Thelepus japonicusFrance / English Channel2018
Theora lubricaAustralia / Bass strait1958
Theora lubricaGermany / North Sea2021
Theora lubricaIsrael2006
Theora lubricaItaly / Western Mediterranean2001
Theora lubricaNetherlandsTo 2003
Theora lubricaSpain / Iberian Coastal2010
Thermocyclops taihokuensisPoland2023
Thulinia microrchisIsrael1977
Tiaropsis multicirrataUkraine / Black SeaFrom 1990
Timarete punctataGreece / Eastern Mediterranean2006
Timoclea maricaIsrael1997
Tintinnopsis directaRussia / Black Sea2001
Tintinnopsis directaUkraine / Black Sea2001
Tintinnopsis nudicaudaUkraine / Black Sea2000 - 2009
Tintinnopsis tocantinensisRussia / Black Sea2010
Tiostrea chilensisFrance / Celtic seas1982
Tiostrea chilensisUnited Kingdom (Britain) / Celtic seas1963
Tonicia chilensisPortugal / Iberian CoastalTo 1985
Tonicia chilensisSpain / Iberian Coastal1978
Tonna pennataPortugal / MadeiraTo 1998
Torquigener flavimaculosusGreece / Central Mediterranean2016
Torquigener flavimaculosusGreece / Eastern Mediterranean2006
Torquigener flavimaculosusIsrael1987
Tortanus discaudatusDenmark / Baltic Sea2023
Tortanus discaudatusDenmark / North Sea2023
Toxonidea insignisUkraine / Black SeaFrom 1902
Trachysalambria palaestinensisGreece / Eastern Mediterranean1995
Trachysalambria palaestinensisIsrael1924 - 1925
Trachysalambria palaestinensisItaly / Central Mediterranean2016
Transkeia bogiiIsrael1982
Trapania toddiIsrael2014
Tremoctopus gracilisItaly / Western Mediterranean2002
Tribolodon brandtiiUkraine / Azov Sea1950 - 1959
Tricellaria inopinataBelgium2000
Tricellaria inopinataFrance / Biscay Gulf2000
Tricellaria inopinataFrance / English Channel2003
Tricellaria inopinataFrance / North Sea2003
Tricellaria inopinataGermany / North SeaTo 2009
Tricellaria inopinataGreece / Eastern Mediterranean2015
Tricellaria inopinataIreland2005
Tricellaria inopinataItaly / Adriatic Sea1982
Tricellaria inopinataItaly / Western Mediterranean2010
Tricellaria inopinataNetherlands2000
Tricellaria inopinataNorway / Norwegian SeaFrom 2014
Tricellaria inopinataPortugal / AzoresTo 2014
Tricellaria inopinataPortugal / Iberian CoastalTo 2004
Tricellaria inopinataPortugal / Madeira2011
Tricellaria inopinataSpain / Iberian CoastalTo 2011
Tricellaria inopinataUnited Kingdom (Britain) / Celtic seas1998
Tricellaria inopinataUnited Kingdom (Britain) / English Channel1998
Tricellaria inopinataUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 2014
Tricellaria occidentalisAustralia / Bass strait1889
Triconia minutaBulgaria2000
Triconia minutaUkraine / Black SeaFrom 1997
Tridentiger barbatusNetherlands2016
Tridentiger trigonocephalusAustralia / Bass strait1977
Tridentiger trigonocephalusIsrael2006
Tridentiger trigonocephalusUkraine / Black Sea2006
Trieres mobiliensisDenmark / Baltic Sea1983
Trieres mobiliensisDenmark / North Sea1983
Trieres regiaDenmark / Baltic Sea1989
Trieres regiaDenmark / North Sea1989
Trinchesia genovaeFrance / Celtic seas2017
Trinectes maculatusNetherlands1984
Tripos arietinusDenmark / Baltic Sea1900
Tripos arietinusDenmark / North Sea1992
Tripos candelabrusFrance / Biscay Gulf2005
Tripos macrocerosDenmark / Baltic Sea1900
Tripos macrocerosDenmark / North Sea1901
Tritia corniculumFrance / Biscay Gulf2009
Tritia corniculumFrance / English Channel2013
Tritia corniculumSpain / Iberian Coastal1996
Tritia neriteaFrance / Biscay Gulf1976
Tritia neriteaSpain / Iberian Coastal1991
Trivirostra triticumIsrael1970
Trochammina hadaiFrance / English Channel2019
Trochus erithreusIsrael1968
Truncatella subcylindricaPortugal / AzoresTo 1976
Truncatella subcylindricaPortugal / MadeiraTo 1897
Trypauchen vaginaIsrael2009
Tubificoides benediiUkraine / Black SeaFrom 1916
Tubificoides heterochaetusBelgium1953
Tubificoides heterochaetusGermany / Baltic SeaTo 2013
Tubificoides heterochaetusGermany / North SeaTo 2013
Tubificoides heterochaetusNetherlandsTo 2016
Tubificoides heterochaetusPolandTo 1979
Tubificoides pseudogasterFinland1990 - 2005
Tubificoides pseudogasterNetherlandsTo 2016
Tubificoides pseudogasterRussia / Baltic Sea / St. Petersburg area1995
Tubularia indivisaPortugal / AzoresTo 1989
Tuleariocaris neglectaSpain / Canary IslandsTo 2003
Turbonilla edgariiIsrael1980
Turbonilla flaianoiItaly / Adriatic Sea1993
Turritopsis nutriculaAustralia / Bass strait1982
Tylerius spinosissimusGreece / Eastern Mediterranean2004
Tylerius spinosissimusIsrael2010
Tylosurus choramIsrael2001
Tylosurus crocodilusItaly / Adriatic Sea2022
Ulva australisFrance / Biscay Gulf2005 - 2007
Ulva australisFrance / English Channel1994
Ulva australisFrance / Western Mediterranean1984
Ulva australisGermany / North SeaTo 2014
Ulva australisItaly / Adriatic Sea2010
Ulva australisNetherlands1993
Ulva californicaGermany / North Sea2007 - 2008
Ulva californicaIreland2006
Ulva californicaItaly / Adriatic Sea2011
Ulva chauguliiIsrael2015
Ulva compressaAustralia / Bass strait1977
Ulva giganteaGermany / North Sea2015
Ulva intestinalisAustralia / Bass strait1981
Ulva lactucaAustralia / Bass strait1978
Ulva lactucaFrance / Biscay Gulf1993
Ulva lactucaFrance / Western Mediterranean1993
Ulva lactucaPortugal / Azores2005 - 2007
Ulva lactucaRomania1948
Ulva lactucaTurkey / Black Sea1988
Ulva ohnoiFrance / English Channel2015
Ulva ohnoiIsrael2002
Ulva ohnoiItaly / Central Mediterranean2011 - 2013
Ulva pertusaFrance / Western Mediterranean1984
Ulva pertusaNetherlands1993
Ulva pertusaPortugal / Iberian CoastalFrom 2007
Ulva pertusaSpain / Iberian CoastalTo 2009
Ulva rigidaAustralia / Bass strait1983
Ulva rigidaIceland1972
Ulva stenophyllaAustralia / Bass strait1988
Ulva tepidaIsrael2002
Ulvaria obscuraFrance / Western Mediterranean1985
Ulvaria obscuraItaly / Adriatic Sea2000
Ulvaria splendensNetherlands2018
Umbraulva dangeardiiGermany / North Sea2014
Umbraulva olivascensUnited Kingdom (Britain) / English Channel1960
Undaria pinnatifidaAustralia / Bass strait1996
Undaria pinnatifidaBelgium1999
Undaria pinnatifidaFrance / Biscay Gulf1983
Undaria pinnatifidaFrance / Celtic seas1983
Undaria pinnatifidaFrance / English Channel1983
Undaria pinnatifidaFrance / North Sea1986
Undaria pinnatifidaFrance / Western Mediterranean1971
Undaria pinnatifidaGermany / North Sea2016
Undaria pinnatifidaIreland2012
Undaria pinnatifidaItaly / Adriatic Sea1992
Undaria pinnatifidaItaly / Central Mediterranean1998
Undaria pinnatifidaNetherlands1999
Undaria pinnatifidaNew Zealand / New Zealand Shelf / North IslandTo 1987
Undaria pinnatifidaNew Zealand / New Zealand Shelf / South IslandTo 1990
Undaria pinnatifidaPortugal / Iberian CoastalTo 2007
Undaria pinnatifidaSpain / Iberian Coastal1988
Undaria pinnatifidaUnited Kingdom (Britain) / Celtic seas / Channel Islands1990 - 1999
Undaria pinnatifidaUnited Kingdom (Britain) / English Channel1994
Undaria pinnatifidaUnited Kingdom (Britain) / North Sea2009
Undatella quadrataUkraine / Black SeaFrom 1985
Upeneus moluccensisGreece / Central Mediterranean1976
Upeneus moluccensisGreece / Eastern Mediterranean1947
Upeneus moluccensisIsrael1946
Upeneus poriGreece / Central Mediterranean2014
Upeneus poriGreece / Eastern Mediterranean2003
Upeneus poriIsrael1953
Upeneus poriItaly / Central Mediterranean2012
Urnatella gracilisRomania1950
Urnatella gracilisRussia / Black Sea1950
Urnatella gracilisUkraine / Black SeaFrom 1954
Urocaridella pulchellaIsrael2016
Uronema marinumItaly / Adriatic SeaFrom 2008
Urosalpinx cinereaFrance / Biscay Gulf1960
Urosalpinx cinereaFrance / Celtic seas1969
Urosalpinx cinereaFrance / English Channel1970
Urosalpinx cinereaFrance / North Sea1960
Urosalpinx cinereaNetherlands2007
Urosalpinx cinereaUnited Kingdom (Britain) / North SeaTo 1928
Vallicula multiformisPortugal / MadeiraTo 1998
Vanderhorstia mertensiGreece / Eastern Mediterranean2019
Vanderhorstia mertensiIsrael2012
Varicopeza pauxillaIsrael2016
Varicorbula erythraeensisIsrael2009
Varicorbula gibbaAustralia / Bass strait1987
Vaucheria dichotoma f. marinaBulgaria2012
Vaucheria dichotoma f. marinaRomania1957
Vertebrata fucoidesBulgaria1936
Vertebrata fucoidesFrance / Western Mediterranean1988
Vertebrata fucoidesGreece / Central Mediterranean2001
Vertebrata fucoidesPortugal / Azores1960
Vertebrata fucoidesTurkey / Black Sea1973
Vexillum depexumIsrael1964
Victorella pavidaFinland1930 - 1959
Victorella pavidaFrance / Biscay Gulf1960
Victorella pavidaFrance / Celtic seas1969
Victorella pavidaGermany / Baltic Sea1880
Victorella pavidaGermany / North SeaTo 2016
Victorella pavidaNetherlandsTo 1969
Victorella pavidaSweden / Baltic Sea1948
Victorella pavidaUnited Kingdom (Britain) / English Channel1870
Victorella pavidaUnited Kingdom (Britain) / North Sea1870
Virididentula dentataPortugal / AzoresTo 1997
Virididentula dentataPortugal / Madeira1909
Viriola bayaniIsrael2018
Viviparus acerosusNetherlands2007
Viviparus viviparusGermany / North Sea1912
Viviparus viviparusIreland1995 - 2000
Voorwindia tiberianaIsrael1997
Warnowia schuettiiUkraine / Black Sea2001
Watersipora arcuataAustralia / Bass strait1973 - 1976
Watersipora arcuataFrance / Western MediterraneanFrom 2015
Watersipora arcuataItaly / Central Mediterranean2016
Watersipora arcuataItaly / Western Mediterranean2013 - 2014
Watersipora aterrimaFrance / Biscay Gulf1983
Watersipora aterrimaFrance / Celtic seas1983
Watersipora souleorumItaly / Western MediterraneanTo 1909
Watersipora subatraFrance / Biscay Gulf1968
Watersipora subatraFrance / English Channel1983
Watersipora subatraFrance / North Sea1983
Watersipora subatraFrance / Western Mediterranean2022
Watersipora subatraIreland2011
Watersipora subatraSpain / Spain2017
Watersipora subtorquataAustralia / Bass strait1973 - 1976
Watersipora subtorquataFrance / Biscay Gulf1983
Watersipora subtorquataGermany / North Sea2012
Watersipora subtorquataIreland2011
Watersipora subtorquataItaly / Western Mediterranean1960
Watersipora subtorquataPortugal / AzoresTo 1888
Watersipora subtorquataPortugal / Iberian CoastalTo 2004
Watersipora subtorquataPortugal / Madeira2006
Watersipora subtorquataSpain / Iberian CoastalTo 2016
Watersipora subtorquataUnited Kingdom (Britain) / English Channel2007
Weinkauffia macandrewiiGreece / Eastern Mediterranean2009
Wildemania miniataDenmark / Baltic Sea1995
Wildemania miniataDenmark / North Sea1995
Womersleyella setaceaFrance / Western Mediterranean1987
Womersleyella setaceaGreece / Central Mediterranean2001
Womersleyella setaceaGreece / Eastern Mediterranean1988
Womersleyella setaceaIsrael2015
Womersleyella setaceaItaly / Adriatic Sea1997
Womersleyella setaceaItaly / Central Mediterranean1993
Womersleyella setaceaItaly / Western Mediterranean1986
Womersleyella setaceaSpain / Iberian CoastalTo 2011
Xanthias lamarckiiGreece / Eastern Mediterranean2013
Xenostrobus securisFrance / Western Mediterranean2006
Xenostrobus securisItaly / Adriatic Sea1991
Xenostrobus securisItaly / Western Mediterranean2006
Xenostrobus securisSpain / Iberian Coastal2006
Xylophaga dorsalisGreece / Eastern Mediterranean1800 - 1883
Xylophaga praestansGreece / Eastern Mediterranean1987
Yoldia limatulaBelgiumTo 2020
Yoldia limatulaFrance / English ChannelTo 2021
Yoldia limatulaNetherlands2019
Zafra savignyiIsrael1952
Zafra selasphoraIsrael1976
Zebrasoma xanthurumItaly / Western Mediterranean2015
Zeuxo holdichiFrance / Biscay Gulf1987
Zeuxo holdichiFrance / English Channel1996
Zeuxo holdichiItaly / Adriatic Sea2019
Zeuxo holdichiNetherlands2012
Zopfiella latipesUkraine / Black SeaFrom 2001
Zygoceros rhombusDenmark / Baltic Sea1983
Zygoceros rhombusDenmark / North Sea1983

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