| Family | Genus | Species |
|---|---|---|
| Amphilepididae | 1 | 8 |
| Amphiuridae | 33 | 135 |
| Hemieuryalidae | 6 | 4 |
| Ophiacanthidae | 55 | 155 |
| Ophiactidae | 9 | 140 |
| Ophiochitonidae | 2 | 6 |
| Ophiocomidae | 9 | 80 |
| Ophiodermatidae | 21 | 75 |
| Ophiohelidae | 2 | 41 |
| Ophiolepididae | 27 | 110 |
| Ophiomyxidae | 28 | 53 |
| Ophionereidae | 1 | 49 |
| Ophionereididae | 1 | 3 |
| Ophiopyrgidae | 0 | 2 |
| Ophiotrichidae | 13 | 256 |
| Ophiuridae | 51 | 199 |