Species
Alwynella intermedia Spjeldnaes, 1957
Synonymy list
1957     Alwynella intermedia sp. n. — Spjeldnaes , pp. 87-88, fig. pl. 1: 15-16
2007     Alwynella intermedia Spjeldnaes, 1957 — Hints & Harper , pp. 274
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Strophomenata | 
| Order | Strophomenida | 
| Superfamily | Plectambonitoidea | 
| Family | Alwynellidae | 
| Genus | Alwynella | 
| Species | ildjernensis | 
| intermedia | |
| osloensis |