Genus
Acanthocrania Williams, 1943
List of species
1. Acanthocrania hemipustulosa (Huene, 1899) | Middle Ordovician
2. Acanthocrania papillifera (Roemer, 1861) | Ordovician
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Craniiformea |
| Class | Craniata |
| Order | Craniida |
| Family | Craniidae |
| Genus | Acanthocrania |
| Species | hemipustulosa |
| papillifera | |
| Genus | Eleutherocrania |
| Isocrania | |
| Lepidocrania | |
| Neocrania | |
| Petrocrania | |
| Philhedra | |
| Propatella | |
| Thulecrania | |
| Valdiviathyris |