| Nom scientifique | Nom français | Nom anglais | 1°id. | 1°observateur |
|---|---|---|---|---|
| ORDRE_DES SEMAEOSTOMES | Méduses | Jellyfishes. | ||
| Cyanea capillata | Méduse lion. | Lion's_ Mane. | 1987 | Etcheberry R. |
| Aurelia aurita | Méduse aurélie. | Moon_Jelly. | 1998 | Abraham D. |
| ORDRE_DES STAUROMEDUSES | Lucernaires | Stalked_Jellyfishes | ||
| Lucernaria quadricornis | Lucernaire à quatre cornes | Stalked _Jellyfish. (horned) | 2019 | BeBEST |
| Thaumatoscyphus atlanticus | Lucerne atlantique | Stalked_Jellyfish. (atlantic) | 2006 | Abraham Y. |
| Classe HYDROZOA. | Hydroméduses. | Hydrozoans | ||
| ORDRE_DES ANTHOATHECATES | Hydroméduses. | Hydrozoans | ||
| Hydractinia echinata | Hydraire encroûtant. | Snail_Fur | 2004 | Télétchéa D. |
| Tubularia crocea | Tubulaire hydroïde | Hydroid (tubularian) | 2005 | Télétchéa D. |
| Tubularia indivisa | Tubulaire (grande) | Hydroid (oaten_pipes) | 2019 | BeBEST |
| ORDRE_DES SIPHONOPHORES | Siphonophores. | Siphonophorae | ||
| Physalia physalis | Galère portugaise | Man-of-war (portuguese) | 2020 | Kerhoas E. |
| ORDRE_DES LEPTOTHECATES | Hydroméduses. | Hydrozoans | ||
| Obelia geniculata | Obélia | Obelia | 2009 | Abraham D. |
| Staurophora mertensis | Méduse à croix blanche | Jellyfish (whitecross) | 2006 | Télétchéa D. |
| Aglaophenia pluma | Hydraire plumeux | Hydroid (podded) | 2006 | Abraham D. |
| Diphasia sp. | Hydraire | Hydroid | 2008 | Abraham D. |