Species
Pycnomphalus obesus Lindström, 1884
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Eogastropoda |
| Order | Euomphalina |
| Superfamily | Euomphaloidea |
| Family | Anomphalidae |
| Subfamily | Pycnomphalinae |
| Genus | Pycnomphalus |
| Species | obesus |