Subfamily
Spiriferinae King, 1946
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Spiriferida |
| Suborder | Spiriferidina |
| Superfamily | Spiriferoidea |
| Family | Spiriferidae |
| Subfamily | Spiriferinae |
| Genus | Spirifer |