Genus
Neptunea Röding, 1798
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Prosobranchia |
| Superorder | Caenogastropoda |
| Superfamily | Buccinoidea |
| Family | Buccinidae |
| Genus | Buccinum |
| Neptunea | |
| Species | despecta |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Prosobranchia |
| Superorder | Caenogastropoda |
| Superfamily | Buccinoidea |
| Family | Buccinidae |
| Genus | Buccinum |
| Neptunea | |
| Species | despecta |