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