Family
Primitophyllidae Ivanovskiy, 1965
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Stauriida |
| Suborder | Streptelasmatina |
| Family | Acrophyllidae |
| Cyathaxoniidae | |
| Kodonophyllidae | |
| Mucophyllidae | |
| Paliphyllidae | |
| Polycoeliidae | |
| Primitophyllidae | |
| Streptelasmatidae |