| Family | Genus | Species |
|---|---|---|
| Alatasporidae | 1 | 2 |
| Ceratomyxidae | 4 | 240 |
| Chloromyxidae | 1 | 51 |
| Coccomyxidae | 3 | 27 |
| Enteromyxidae | 1 | 4 |
| Fabesporidae | 0 | 0 |
| Gastromyxidae | 1 | 2 |
| Hexacapsulidae | 1 | 3 |
| Kudoidae | 2 | 136 |
| Monomyxidae | 1 | 3 |
| Myxidiidae | 7 | 140 |
| Myxobilatidae | 3 | 20 |
| Myxobolidae | 6 | 716 |
| Ortholineidae | 4 | 26 |
| Parvicapsulidae | 2 | 24 |
| Pentacapsulidae | 1 | 1 |
| Saccosporidae | 2 | 23 |
| Septemcapsulidae | 1 | 0 |
| Sinuolineidae | 9 | 17 |
| Sphaeromyxidae | 1 | 31 |
| Sphaerosporidae | 2 | 54 |
| Tetractinomyxidae | 1 | 0 |
| Trilosporidae | 1 | 15 |