Genus
Isocrania Jaekel, 1902
List of species
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Craniiformea |
| Class | Craniata |
| Order | Craniida |
| Family | Craniidae |
| Genus | Acanthocrania |
| Eleutherocrania | |
| Isocrania | |
| Species | egnabergensis |
| Genus | Lepidocrania |
| Neocrania | |
| Petrocrania | |
| Philhedra | |
| Propatella | |
| Thulecrania | |
| Valdiviathyris |