Species
Pernericirrus sinistorsus (Perner, 1903)
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Gastropoda | 
| Subclass | Archaeogastropoda | 
| Superfamily | Porcelloidea | 
| Family | Porcelliidae | 
| Subfamily | Agnesiinae | 
| Genus | Pernericirrus | 
| Species | lindstroemi | 
| sinistorsus |