| Family | Genus | Species |
|---|---|---|
| Amphilepididae | 1 | 8 |
| Amphiuridae | 12 | 130 |
| Hemieuryalidae | 3 | 3 |
| Ophiacanthidae | 22 | 146 |
| Ophiactidae | 7 | 140 |
| Ophiochitonidae | 2 | 6 |
| Ophiocomidae | 9 | 75 |
| Ophiodermatidae | 13 | 66 |
| Ophiohelidae | 2 | 41 |
| Ophiolepididae | 13 | 109 |
| Ophiomyxidae | 11 | 50 |
| Ophionereidae | 1 | 47 |
| Ophionereididae | 1 | 3 |
| Ophiopyrgidae | 0 | 2 |
| Ophiotrichidae | 8 | 254 |
| Ophiuridae | 28 | 191 |