| Nom scientifique | Nom français | Nom anglais | 1°id. | 1°observateur | | Classe ASCIDIACEA | Ascidies | Acidia | | |
| ORDRE_DES STOLIDOBRANCHES | Ascidies | Acidia | | |
| Boltenia ovifera | Patate de mer | Potato (sea) | 1970 | IFREMER |
| Halocynthia pyriformis | Pêche de mer. | Peach (sea) | 2006 | Télétchéa D. |
| Styela clava | Ascidie plissée | Tunicate (clubbed) | 2023 | Urtizbéréa F. |
| ORDRE_DES PLEUROGONES | Ascidies | Acidia | | |
| Botrylloides violaceus | Botryllle violet | Tunicate (orange_sheath) | 2012 | Urtizbéréa F. |
| Botryllus schlosseri | Botrylle étoilé | Tunicate (golden_star) | 2012 | ARDA |
| ORDRE_DES ENTEROGONES | Ascidies | Sea-Squirts | | |
| Ciona intestinalis | Ascidie jaune | Sea_squirt (solitary) | 2012 | ARDA |
| ORDRE_DES PHLEBOBRANCHIES | Ascidies | Sea-Squirts | | |
| Corella eumyota | Ascidie à bordure orange | Sea_squirt (orange-tipped) | 2014 | ARDA |
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