Species
Undispirifer undiferus (Roemer, 1844)
Synonymy list
1844 Spirifer undiferus — Roemer , pp. 73
2006 Undispirifer undiferus (Roemer) — Carter & Gourvennec , pp. 1848-1850 , fig. fig. 1230, a-f
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Spiriferida |
| Suborder | Spiriferidina |
| Superfamily | Reticularioidea |
| Family | Reticulariidae |
| Subfamily | Reticulariinae |
| Genus | Undispirifer |
| Species | undiferus |