| Species |
Recipient region |
Date of the first record |
|
| Paracerceis sculpta | Italy / Central Mediterranean | 1981 |  |
| Paracerceis sculpta | Italy / Western Mediterranean | 1983 | |
| Paracerceis sculpta | Portugal / Azores | 2014 | |
| Paracerceis sculpta | Portugal / Madeira | From 2015 | |
| Paracerceis sculpta | Spain / Canary Islands | 2018 | |
| Paracerceis sculpta | Spain / Western Mediterranean | 1981 | |
| Paracerceis sculpta | Tunisia / Eastern Mediterranean | 1978 | |
| Paracerceis sculpta | Tunisia / Western Mediterranean | 1978 | |
| Paradella dianae | Cyprus | 2003 | |
| Paradella dianae | Egypt / Eastern Mediterranean | To 1991 | |
| Paradella dianae | Greece / Eastern Mediterranean | 1997 | |
| Paradella dianae | Italy / Adriatic Sea | 2000 | |
| Paradella dianae | Italy / Central Mediterranean | 2016 | |
| Paradella dianae | Italy / Western Mediterranean | 1985 | |
| Paradella dianae | Tunisia / Eastern Mediterranean | 2001 | |
| Paradella dianae | Turkey / Eastern Mediterranean | 2004 | |
| Paradoxostoma angliorum | Ireland | 2007 | |
| Paradyte crinoidicola | Greece / Adriatic Sea | 2009 | |
| Paralaeospira malardi | Ireland | 1977 | |
| Paralaeospira malardi | United Kingdom (Britain) / Celtic seas | 1999 | |
| Paralaeospira malardi | United Kingdom (Britain) / English Channel | 1999 | |
| Paraleucilla magna | | 2001 | |
| Paraleucilla magna | Cyprus | 2016 | |
| Paraleucilla magna | Greece / Eastern Mediterranean | 2014 | |
| Paraleucilla magna | Italy / Adriatic Sea | 2007 | |
| Paraleucilla magna | Italy / Central Mediterranean | 2001 | |
| Paraleucilla magna | Italy / Western Mediterranean | 2004 | |
| Paraleucilla magna | Portugal / Azores | To 2006 | |
| Paraleucilla magna | Portugal / Iberian Coastal | To 2008 | |
| Paraleucilla magna | Portugal / Madeira | To 2007 | |
| Paraleucilla magna | Spain / Adriatic Sea | 2007 | |
| Paraleucilla magna | Spain / Western Mediterranean | 2018 | |
| Paralichthys lethostigma | Israel | 2009 | |
| Paralithodes camtschaticus | Italy / Central Mediterranean | 2008 | |
| Paralithodes camtschaticus | Norway / Barents Sea | 1977 | |
| Paralithodes camtschaticus | Russia / White Sea | 2010 | |
| Parametopella cypris | Italy / Adriatic Sea | 2014 | |
| Paramysis (Mesomysis) intermedia | Estonia | 2008 | |
| Paramysis (Mesomysis) intermedia | Russia / Baltic Sea / Kaliningrad area | 2008 | |
| Paramysis (Serrapalpisis) lacustris | Germany / Baltic Sea | 2013 | |
| Paramysis (Serrapalpisis) lacustris | Latvia | 1966 | |
| Paramysis (Serrapalpisis) lacustris | Lithuania | 1962 | |
| Paramysis (Serrapalpisis) lacustris | Russia / Baltic Sea / Kaliningrad area | 1962 | |
| Paranais botniensis | Germany / North Sea | 1992 | |
| Paranais frici | Finland | 2000 - 2008 | |
| Paranais frici | Netherlands | To 2016 | |
| Paranais frici | Russia / Baltic Sea / Kaliningrad area | 1998 | |
| Paranais frici | Russia / Baltic Sea / St. Petersburg area | 1960 - 1969 | |
| Paranthias furcifer | | 2013 | |
| Paranthias furcifer | Croatia | 2012 | |
