Alvania discors

Bouchet & Rocroi (2005): Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • Cladus: Caenogastropoda • Cladus: Hypsogastropoda • Cladus: Littorinimorpha • Familia: Rissoidae • Genus: Alvania • Species: Alvania discors (Allan, 1818)