| Species | Recipient region | Date of the first record | |
|---|
| Crepidula fornicata | Greece / Eastern Mediterranean | 1985 |  |
| Crepidula fornicata | France / Western Mediterranean | 1957 | |
| Crepidula fornicata | Ireland | 1893 | |
| Crepidula fornicata | United Kingdom (Britain) / Celtic seas | 1872 | |
| Crepidula fornicata | France / Celtic seas | 1949 | |
| Crepidula fornicata | United Kingdom (Britain) / English Channel | 1872 | |
| Crepidula fornicata | Sweden / North Sea | 1950 | |
| Crepidula fornicata | Netherlands | 1929 | |
| Crepidula fornicata | Belgium | 1911 | |
| Crepidula fornicata | Denmark / North Sea | 1934 | |
| Crepidula fornicata | Germany / North Sea | 1934 | |
| Crepidula fornicata | Italy / Western Mediterranean | 1983 | |
| Crepidula fornicata | Norway / North Sea | 1958 - 1985 | |
| Crepidula fornicata | Italy / Central Mediterranean | 1973 | |
| Crepidula fornicata | France / Biscay Gulf | 1934 | |
| Crepidula fornicata | Spain / Iberian Coastal | To 1983 | |
| Crepidula fornicata | United Kingdom (Britain) / North Sea | 1887 - 1890 | |
| Crepidula fornicata | Portugal / Iberian Coastal | To 1999 | |
| Crepidula fornicata | Norway / Norwegian Sea | To 1985 | |
| Crepidula fornicata | Norway / Barents Sea | To 1985 | |
| Crepidula fornicata | France / English Channel | 1934 | |
| Crepidula fornicata | France / North Sea | 1962 | |
| Crepidula fornicata | Denmark / Baltic Sea | 1934 | |
