Helcion pectunculus
species of mollusc
Bouchet & Rocroi (2005): Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • Ordo: Patellogastropoda • Familia: Patellidae • Genus: Helcion • Species: Helcion pectunculus (Gmelin, 1791)
