Phorcus atratus

Bouchet & Rocroi (2005): Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • Subclassis: Vetigastropoda • Superfamilia: Trochoidea (superfamily) • Familia: Trochidae • Genus: Phorcus • Species: Phorcus articulatus (Wood, 1828)