Genus
Acanthocyclus Dybowski, 1873
Taxon ID: 8156
Fossil group: Rugosa
Belongs to: Palaeocyclidae
Other version of taxon: Rhabdocyclus
Stratigraphic distribution: Upper Ordovician → Silurian (header.f_taxon_age_within 458.4 – 419.2 header.f_taxon_age_within_unit)
Baltoscandian species (in database):
Klassificering
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Anthozoa |
| Subclass | Rugosa |
| Order | Cystiphyllida |
| Family | Palaeocyclidae |
| Genus | Acanthocyclus |
| Palaeocyclus | |
| Primitophyllum |