| Family | Genus | Species |
|---|---|---|
| Asplanchnidae | 3 | 22 |
| Brachionidae | 9 | 690 |
| Dicranophoridae | 3 | 11 |
| Epiphanidae | 4 | 8 |
| Euchlanidae | 3 | 3 |
| Gastropidae | 1 | 4 |
| Gastropodidae | 1 | 1 |
| Ituridae | 1 | 1 |
| Lecanidae | 2 | 54 |
| Lepadellidae | 3 | 20 |
| Lindiidae | 1 | 2 |
| Microcodonidae | 1 | 1 |
| Mytilinidae | 1 | 1 |
| Notommatidae | 8 | 27 |
| Proalidae | 3 | 10 |
| Scaridiidae | 1 | 1 |
| Synchaetidae | 3 | 53 |
| Trichocercidae | 1 | 25 |
| Trichotriidae | 2 | 3 |