Genus
Ambocoelia Hall, 1860
Klassificering
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Spiriferida |
| Suborder | Spiriferidina |
| Superfamily | Ambocoelioidea |
| Family | Ambocoeliidae |
| Subfamily | Ambocoeliinae |
| Genus | Ambocoelia |
| Species | umbonata |