| Species | Recipient region | Date of the first record | |
|---|
| Magallana gigas | France / Western Mediterranean | 1962 |  |
| Magallana gigas | United Kingdom (Britain) / Celtic seas | 1965 | |
| Magallana gigas | France / Celtic seas | 1866 | |
| Magallana gigas | United Kingdom (Britain) / English Channel | 1965 | |
| Magallana gigas | Netherlands | 1965 | |
| Magallana gigas | Belgium | 1960 - 1969 | |
| Magallana gigas | Denmark / North Sea | 1972 | |
| Magallana gigas | Denmark / Baltic Sea | 1972 | |
| Magallana gigas | Germany / North Sea | 1984 | |
| Magallana gigas | Germany / Baltic Sea | 1970 - 1979 | |
| Magallana gigas | Italy / Adriatic Sea | 1964 | |
| Magallana gigas | Italy / Western Mediterranean | To 1936 | |
| Magallana gigas | Ukraine / Black Sea | 1900 - 1909 | |
| Magallana gigas | Ireland | 1877 | |
| Magallana gigas | Norway / North Sea | 2005 | |
| Magallana gigas | Italy / Central Mediterranean | To 1968 | |
| Magallana gigas | Sweden / North Sea | 2007 | |
| Magallana gigas | United Kingdom (Britain) / North Sea | 1926 | |
| Magallana gigas | France / Biscay Gulf | 1868 | |
| Magallana gigas | Spain / Iberian Coastal | 1801 - 1900 | |
| Magallana gigas | Portugal / Iberian Coastal | To 1700 | |
| Magallana gigas | China / Yellow Sea | To 2004 | |
| Magallana gigas | Romania | 2003 | |
| Magallana gigas | France / English Channel | 1970 | |
| Magallana gigas | United Kingdom (Britain) / North Sea / Orkney Islands | To 1991 | |
| Magallana gigas | Australia / Bass strait | 1955 | |
