| Species | Recipient region | Date of the first record | |
|---|
| Prorocentrum cordatum | United Kingdom (Britain) / English Channel | 1976 |  |
| Prorocentrum cordatum | Estonia | 1997 | |
| Prorocentrum cordatum | Finland | 1993 | |
| Prorocentrum cordatum | Latvia | 1988 | |
| Prorocentrum cordatum | Lithuania | 1992 | |
| Prorocentrum cordatum | Sweden / North Sea | 1979 | |
| Prorocentrum cordatum | Sweden / Baltic Sea | 1982 | |
| Prorocentrum cordatum | Ukraine / Black Sea | From 1948 | |
| Prorocentrum cordatum | Ukraine / Azov Sea | From 1948 | |
| Prorocentrum cordatum | Norway / North Sea | 1979 | |
| Prorocentrum cordatum | Denmark / North Sea | To 1979 | |
| Prorocentrum cordatum | Germany / North Sea | 1990 | |
| Prorocentrum cordatum | Netherlands | To 2006 | |
| Prorocentrum cordatum | Bulgaria | 1948 | |
| Prorocentrum cordatum | Georgia | 1999 | |
| Prorocentrum cordatum | Romania | 1948 | |
| Prorocentrum cordatum | Russia / Black Sea | 1948 | |
| Prorocentrum cordatum | Denmark / Baltic Sea | 1981 | |
| Prorocentrum cordatum | Poland | 1989 | |
| Prorocentrum cordatum | Germany / Baltic Sea | 1982 | |
| Prorocentrum cordatum | Russia / Baltic Sea / St. Petersburg area | 2000 - 2010 | |
| Prorocentrum cordatum | Russia / Baltic Sea / Kaliningrad area | 2010 | |
| Prorocentrum cordatum | Belgium | To 2006 | |
| Prorocentrum cordatum | France / Western Mediterranean | 1984 | |
| Prorocentrum cordatum | France / Biscay Gulf | To 1987 | |
| Prorocentrum cordatum | France / English Channel | To 1987 | |
| Prorocentrum cordatum | France / Celtic seas | To 1987 | |
