| Cylindrostoma monotrochum (Graff, 1882) | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |
| Pseudominona dactylifera Karling, 1978 | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |
| Microvahine corallicola Karling, Mack-Fira & Dörjes, 1972 | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |
| Proxenetes denhartogi Karling, 1978 | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |
| Itaipusa spinibursa Karling, 1978 | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |
| Polycystis naegelii Kölliker, 1845 | Sep 24-30, 1975 | | | small tide-pools with Cymopolia. |