Species
Tetranota obtusangulata Koken, 1897
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Bellerophontida |
| Suborder | Bellerophontina |
| Superfamily | Bellerophontoidea |
| Family | Bucaniidae |
| Subfamily | Plectonotinae |
| Genus | Tetranota |
| Species | conspicua |
| decurrens | |
| jugata | |
| lineata | |
| obtusangulata | |
| scanica |