Siphonalia trochulus
species of large sea snail
Bouchet & Rocroi (2005): Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • Cladus: Caenogastropoda • Cladus: Hypsogastropoda • Cladus: Neogastropoda • Superfamilia: Buccinoidea • Familia: Buccinidae • Genus: Siphonalia • Species: Siphonalia trochulus (Reeve, 1843)
