Genus
Paraspirifer Wedekind, 1926
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Spiriferida |
| Suborder | Delthyridina |
| Superfamily | Delthyrioidea |
| Family | Hysterolitidae |
| Subfamily | Hysterolitinae |
| Genus | Paraspirifer |
| Species | cultrijugatus |