| Species | Recipient region | Date of the first record | |
|---|
| Amphibalanus improvisus | Ireland | To 1950 |  |
| Amphibalanus improvisus | United Kingdom (Britain) / Celtic seas | 1854 | |
| Amphibalanus improvisus | France / Celtic seas | 1872 | |
| Amphibalanus improvisus | Estonia | 1801 - 1850 | |
| Amphibalanus improvisus | Finland | 1801 - 1860 | |
| Amphibalanus improvisus | Latvia | 1801 - 1889 | |
| Amphibalanus improvisus | Lithuania | 1844 | |
| Amphibalanus improvisus | Poland | 1844 | |
| Amphibalanus improvisus | Russia / Baltic Sea / Kaliningrad area | 1801 - 1889 | |
| Amphibalanus improvisus | Sweden / Baltic Sea | 1844 - 1899 | |
| Amphibalanus improvisus | Sweden / North Sea | 1844 - 1919 | |
| Amphibalanus improvisus | Netherlands | 1827 | |
| Amphibalanus improvisus | Belgium | To 1700 | |
| Amphibalanus improvisus | Denmark / Baltic Sea | 1880 | |
| Amphibalanus improvisus | Germany / North Sea | 1858 | |
| Amphibalanus improvisus | Germany / Baltic Sea | 1867 | |
| Amphibalanus improvisus | Ukraine / Black Sea | From 1844 | |
| Amphibalanus improvisus | Ukraine / Azov Sea | From 1844 | |
| Amphibalanus improvisus | Norway / North Sea | 1800 - 1809 | |
| Amphibalanus improvisus | Norway / Norwegian Sea | 1800 - 1809 | |
| Amphibalanus improvisus | Denmark / North Sea | 1880 | |
| Amphibalanus improvisus | Turkey / Black Sea | 2005 | |
| Amphibalanus improvisus | Russia / Baltic Sea / St. Petersburg area | 1934 | |
| Amphibalanus improvisus | France / Biscay Gulf | To 1901 | |
| Amphibalanus improvisus | Spain / Iberian Coastal | 1900 | |
| Amphibalanus improvisus | France / English Channel | To 1900 | |
| Amphibalanus improvisus | United Kingdom (Britain) / North Sea | 1500 - 1854 | |
| Amphibalanus improvisus | Bulgaria | 1844 | |
| Amphibalanus improvisus | Georgia | 1978 - 1982 | |
| Amphibalanus improvisus | Romania | 1844 | |
| Amphibalanus improvisus | Italy / Adriatic Sea | To 1951 | |
| Amphibalanus improvisus | Italy / Western Mediterranean | 1979 | |
| Amphibalanus improvisus | Italy / Central Mediterranean | To 1942 | |
| Amphibalanus improvisus | Portugal / Azores | 1887 | |
| Amphibalanus improvisus | Portugal / Iberian Coastal | 1974 | |
