| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Onychognathia bractearotunda Ehlers, 1973 |
Southeast Pacific | ||
| Onychognathia filifera Riedl, 1971 |
Western Central Atlantic | ||
| Onychognathia rhombocephala Sterrer, 1998 |
Eastern Central Pacific |