| Species | Recipient region | Date of the first record | |
|---|
| Balanus trigonus | Greece / Eastern Mediterranean | 1970 |  |
| Balanus trigonus | Croatia | 1968 |  |
| Balanus trigonus | United Kingdom (Britain) / English Channel | 1986 |  |
| Balanus trigonus | Belgium | 1997 |  |
| Balanus trigonus | Italy / Western Mediterranean | To 1962 |  |
| Balanus trigonus | Portugal / Azores | To 1887 |  |
| Balanus trigonus | Spain / Iberian Coastal | To 2007 |  |
| Balanus trigonus | Italy / Central Mediterranean | To 1927 |  |
| Balanus trigonus | France / Biscay Gulf | 2007 |  |
| Balanus trigonus | Portugal / Iberian Coastal | To 2013 |  |
| Balanus trigonus | Italy / Adriatic Sea | 1964 |  |
| Balanus trigonus | Portugal / Madeira | To 1916 |  |
| Balanus trigonus | France / Celtic seas | To 2007 |  |
| Balanus trigonus | France / English Channel | 2007 |  |
| Balanus trigonus | Spain / Canary Islands | 1920 |  |
| Balanus trigonus | Cape Verde | 1963 |  |
| Balanus trigonus | Cyprus | 2016 |  |