| Genus and Selected Species | Image |
|---|---|
| Ophiohelus densispinus | |
| Ophiomyces frutectosus | |
| Ophiothauma heptactis | |
| Ophiotholia morphospecies | |
| Genus and Selected Species | Image |
|---|---|
| Ophiocymbium ninae |  |
| Ophiogeron granulatus |  |
| Ophiohyalus gotoi | |
| Ophiohymen gymnodiscus | |
| Ophioleptoplax brasiliana | |
| Ophiologimus hexactis |  |
| Ophiolycus purpureus |  |
| Ophiophrura tripapillata |  |
| Ophioplexa condita |  |
| Ophioprium cervicornis | |
| Ophiorupta discrepans | |
| Ophioscolex glacialis |  |
| Ophiosyzygus disacanthus |  |
| Ophiuroconis monolepis | |