| Authors(s) | Cornelius, P.F.S. |
| Year | 1995a |
| Title | North-West European thecate hydroids and their Medusae. Part 1. Synopses of the British Fauna (New Series), No 50. |
- Aequorea forskalea
- Aequorea macrodactyla
- Aequorea vitrina
- Cosmetira pilosella
- Cyclocanna welshi
- Dipleurosoma typicum
- Eirene viridula
- Eucheilota maculata
- Eutima gegenbauri
- Eutima gracilis
- Eutonina indicans
- Halopsis ocellata
- Helgicirrha schulzei
- Laodicea undulata
- Leptolida
- Lovenella clausa
- Melicertum octocostatum
- Mitrocomella polydiademata
- Modeeria rotunda
- Octocanna funeraria
- Orthopyxis integra
- Phialella quadrata
- Phialopsis diegensis
- Staurophora mertensii
- Tiaropsis multicirrata
- Tima bairdi