| Family | Genus | Species |
|---|---|---|
| Backusellaceae | 1 | 50 |
| Chaetocladiaceae | 1 | 4 |
| Choanephoraceae | 4 | 15 |
| Cunninghamellaceae | 6 | 246 |
| Lentamycetaceae | 2 | 6 |
| Lichtheimiaceae | 11 | 95 |
| Mucoraceae | 20 | 581 |
| Mycotyphaceae | 1 | 6 |
| Phycomycetaceae | 2 | 4 |
| Pilobolaceae | 2 | 12 |
| Radiomycetaceae | 1 | 3 |
| Rhizopodaceae | 3 | 116 |
| Saksenaeaceae | 1 | 10 |
| Syncephalastraceae | 2 | 33 |