Clithon diadema
Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • (Unranked): Neritimorpha • (Unranked): Cycloneritimorpha • Superfamilia: Neritoidea • Familia: Neritidae • Genus: Clithon • Species: Clithon diadema Récluz, 1841