| Scientific Name | Author | English Name |
|---|---|---|
| Ceratophysa ceratopyga | (Agassiz, 1879) | |
| Ceratophysa valvaecristata | Mironov, 1975 | |
| Cystocrepis setigera | (Agassiz, 1898) | |
| Echinocrepis cuneata | Agassiz, 1879 | |
| Echinocrepis rostrata | Mironov, 1973 | |
| Echinosigra phiale | (Thomson, 1873) | |
| Helgocystis carinata | (Agassiz, 1879) | |
| Pourtalesia alcocki | Koehler, 1914 | |
| Pourtalesia debilis | Koehler, 1926 | |
| Pourtalesia hispida | Agassiz, 1879 | |
| Pourtalesia jeffreysi | Thomson, 1873 | |
| Pourtalesia laguncula | Agassiz, 1879 | |
| Pourtalesia miranda | Agassiz, 1869 | |
| Pourtalesia tanneri | Agassiz, 1898 | |
| Pourtalesia thomsoni | Mironov, 1975 | |
| Rodocystis rosea | (Agassiz, 1879) | |
| Spatagocystis challengeri | Agassiz, 1879 | |
| Stereopneustes relictus | de Meijere, 1902 |