Suborder
Monacanthina Neuman, 1984
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Stauriida |
| Suborder | Arachnophyllina |
| Aulophyllina | |
| Calostylina | |
| Columnariina | |
| Cyathophyllina | |
| Ketophyllina | |
| Lycophyllina | |
| Metriophyllina | |
| Monacanthina | |
| Plerophyllina | |
| Ptenophyllina | |
| Stauriina | |
| Streptelasmatina | |
| Genus | Nanophyllum |