Kingdom Animalia Linnaeus, 1758 - animals
Count: -
   Phylum Mollusca Linnaeus, 1758 - molluscs
  Count: -
     Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758
    Count: [*] *
       Class Gastropoda Cuvier, 1795 - snails and slugs
      Count: -
         Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
        Count: [*] 3o
           Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
          Count: -
             Genus Cassis Scopoli, 1777
            Count: -