Genus
Spinocyrtia Fredericks, 1916
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Spiriferida |
| Suborder | Spiriferidina |
| Superfamily | Cyrtospiriferoidea |
| Family | Spinocyrtiidae |
| Genus | Spinocyrtia |
| Species | granulosa |