Family
Pycnostylidae Stumm, 1935
Classification
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Stauriida |
| Family | Stauriidae |
| Pycnostylidae | |
| Genus | Zelophyllum |
| Subfamily | Stauriinae |
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Stauriida |
| Family | Stauriidae |
| Pycnostylidae | |
| Genus | Zelophyllum |
| Subfamily | Stauriinae |