Genus
Acanthocyclus Dybowski, 1873
Klassificering
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Cystiphyllida |
| Family | Palaeocyclidae |
| Genus | Acanthocyclus |
| Palaeocyclus | |
| Primitophyllum |
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Cystiphyllida |
| Family | Palaeocyclidae |
| Genus | Acanthocyclus |
| Palaeocyclus | |
| Primitophyllum |