| Family | Genus | Species |
|---|---|---|
| Amphidomataceae | 2 | 31 |
| Calciodinellaceae | 2 | 2 |
| Ceratiaceae | 3 | 73 |
| Cladopyxidaceae | 1 | 4 |
| Crypthecodiniaceae | 1 | 53 |
| Goniodomataceae | 0 | 0 |
| Gonyaulacaceae | 6 | 52 |
| Heterodiniaceae | 1 | 7 |
| Lingulodiniaceae | 2 | 4 |
| Protoceratiaceae | 4 | 17 |
| Pyrocystaceae | 7 | 214 |
| Pyrophacaceae | 1 | 10 |