Species
Alwynella osloensis Spjeldnaes, 1957
Synonymy list
1898 Grorudia grorudi (Spjeldnaes) — Cocks & Rong , pp. 111, 113, fig. figs 65a,b, 66-67
1957 Alwynella osloensis sp. n. — Spjeldnaes , pp. 86-87, fig. pl. 1: 5, 9, 14; text-figs 19B, 21
1965 Alwynella osloensis Spjeldnaes, 1957 — Williams in Muir-Wood & Williams , pp. H382, fig. figs 5a, b
2000 Grorudia grorudi Spjeldnaes — Cocks & Rong , pp. 329, fig. 213, 3a
2007 Alwynella osloensis 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 |