Public domain: Introduction events' accounts (50 / 5527)
| Species |
Recipient region |
Date of the first record |
|
| Amathia gracilis | United Kingdom (Britain) / North Sea | To 1996 |  |
| Amathia imbricata | Germany / Baltic Sea | To 2015 | |
| Amathia imbricata | Germany / North Sea | To 2015 | |
| Amathia verticillata | France / Western Mediterranean | 2015 | |
| Amathia verticillata | Greece / Central Mediterranean | 1980 | |
| Amathia verticillata | Greece / Eastern Mediterranean | 1969 | |
| Amathia verticillata | Israel | 1960 | |
| Amathia verticillata | Italy / Adriatic Sea | To 1867 | |
| Amathia verticillata | Italy / Central Mediterranean | 1952 | |
| Amathia verticillata | Italy / Western Mediterranean | To 1822 | |
| Amathia verticillata | Portugal / Azores | 2009 | |
| Amathia verticillata | Portugal / Madeira | 2008 | |
| Amathia verticillata | Spain / Canary Islands | To 2011 | |
| Amathia verticillata | Spain / Iberian Coastal | To 2011 | |
| Amathia verticillata | Taiwan / South China Sea | 2015 | |
| Amathina tricarinata | Israel | 2004 | |
| Ameira divagans divagans | Germany / Baltic Sea | 1970 | |
| Ameira divagans divagans | Sweden / North Sea | | |
| Ammonia confertitesta | France / Biscay Gulf | 2019 | |
| Ammonia confertitesta | France / English Channel | 2019 | |
| Ammonia tepida | France / Biscay Gulf | 1970 | |
| Ammonia tepida | France / Celtic seas | 1970 | |
| Ammonia tepida | France / English Channel | 1970 | |
| Ammonia tepida | France / North Sea | 1970 | |
| Ammothea hilgendorfi | Belgium | 2013 | |
| Ammothea hilgendorfi | France / Biscay Gulf | 2019 | |
| Ammothea hilgendorfi | France / Western Mediterranean | 2019 | |
| Ammothea hilgendorfi | Italy / Adriatic Sea | 1979 | |
| Ammothea hilgendorfi | Netherlands | 2013 | |
| Ammothea hilgendorfi | United Kingdom (Britain) / English Channel | 1978 | |
| Ampelisca cavicoxa | Spain / Iberian Coastal | 2005 | |
| Ampelisca heterodactyla | Portugal / Iberian Coastal | To 1986 | |
| Ampelisca heterodactyla | Spain / Iberian Coastal | 1993 | |
| Amphiascus tenuiremis | Ukraine / Black Sea | From 1996 | |
| Amphibalanus amphitrite | Belgium | To 1952 | |
| Amphibalanus amphitrite | France / Biscay Gulf | 1914 | |
| Amphibalanus amphitrite | France / English Channel | 1928 | |
| Amphibalanus amphitrite | France / North Sea | 1982 | |
| Amphibalanus amphitrite | France / Western Mediterranean | 1973 | |
| Amphibalanus amphitrite | Germany / North Sea | To 2002 | |
| Amphibalanus amphitrite | Netherlands | 1962 | |
| Amphibalanus amphitrite | Portugal / Azores | To 1889 | |
| Amphibalanus amphitrite | Portugal / Iberian Coastal | 1982 | |
| Amphibalanus amphitrite | Portugal / Madeira | 2005 | |
| Amphibalanus amphitrite | Romania | 1844 | |
| Amphibalanus amphitrite | Spain / Iberian Coastal | To 2016 | |
| Amphibalanus amphitrite | Ukraine / Black Sea | 1905 | |
| Amphibalanus eburneus | Bulgaria | 1933 | |
| Amphibalanus eburneus | France / Biscay Gulf | 1872 | |
| Amphibalanus eburneus | France / Celtic seas | 1940 | |
