Subspecies
Eostropheodonta hirnantensis siluriana Davidson, 1871
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Strophomenida |
| Superfamily | Strophomenoidea |
| Family | Leptostrophiidae |
| Genus | Eostropheodonta |
| Species | hirnantensis |
| Subspecies | siluriana |