| Nominal Species (n = 8) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Cotylorhiza ambulacrata Haeckel, 1880 | Cotylorhiza ambulacrata | 3125 |
| Cephea coerulea Vanhöffen, 1902 | Cephea coerulea | 3125 |
| Netrostoma coerulescens Maas, 1903 | Netrostoma coerulescens | 3125 |
| Cephea conifera Haeckel, 1880 | Cephea cephea | 75097 |
| Cotylorhiza erythraea Stiasny, 1920 | Cotylorhiza erythraea | 75097 |
| Netrostoma nuda Gershwin & Zeidler, 2008 | Netrostoma nuda | 3477 |
| Cotylorhiza pacifica Mayer, 1915 | Cotylorhiza pacifica | 3125 |
| Marivagia stellata Galil & Gershwin, 2010 | Marivagia stellata | 3477 |