| Family | Genus | Species |
|---|---|---|
| Aeverrilliidae | 1 | 1 |
| Alcyonidiidae | 2 | 26 |
| Arachnidiidae | 1 | 1 |
| Farrellidae | 1 | 1 |
| Flustrellidridae | 2 | 5 |
| Hislopiidae | 2 | 6 |
| Hypophorellidae | 1 | 1 |
| Immergentiidae | 1 | 9 |
| Mimosellidae | 1 | 1 |
| Monobryozoidae | 1 | 1 |
| Nolellidae | 2 | 5 |
| Paludicellidae | 1 | 4 |
| Penetrantiidae | 1 | 7 |
| Pherusellidae | 0 | 2 |
| Pierrellidae | 1 | 1 |
| Pottsiellidae | 1 | 1 |
| Spathiporidae | 1 | 3 |
| Sundanellidae | 1 | 2 |
| Terebriporidae | 1 | 1 |
| Triticellidae | 1 | 3 |
| Vesiculariidae | 4 | 40 |
| Victorellidae | 3 | 5 |
| Walkeriidae | 1 | 1 |