| Nominal Species (n = 17) | Present allocation (n = 17) | Ref. |
|---|---|---|
| Pourtalesia alcocki Koehler, 1914 | Pourtalesia alcocki | 3477 |
| Pourtalesia carinata Agassiz, 1879 | Helgocystis carinata | 3477 |
| Poutalesia ceratopyga Agassiz, 1879 | Ceratophysa ceratopyga | 3477 |
| Spatagocystis challengeri Agassiz, 1879 | Spatagocystis challengeri | 3477 |
| Echinocrepis cuneata Agassiz, 1879 | Echinocrepis cuneata | 3477 |
| Pourtalesia debilis Koehler, 1926 | Pourtalesia debilis | 87415 |
| Pourtalesia hispida Agassiz, 1879 | Pourtalesia hispida | 3477 |
| Pourtalesia jeffreysi Thomson, 1873 | Pourtalesia jeffreysi | 3477 |
| Pourtalesia laguncula Agassiz, 1879 | Pourtalesia laguncula | 88950 |
| Pourtalesia miranda Agassiz, 1869 | Pourtalesia miranda | 3477 |
| Pourtalesia phiale Thomson, 1877 | Echinosigra phiale | 3477 |
| Stereopneustes relictus de Meijere, 1902 | Stereopneustes relictus | 81020 |
| Echinocrepis rostrata Mironov, 1973 | Echinocrepis rostrata | 19 |
| Echinocrepis setigera Agassiz, 1898 | Cystocrepis setigera | 75097 |
| Pourtalesia tanneri Agassiz, 1898 | Pourtalesia tanneri | 19 |
| Pourtalesia thomsoni Mironov, 1975 | Pourtalesia thomsoni | 19 |
| Ceratophysa valvaecristata Mironov, 1975 | Ceratophysa valvaecristata | 19 |