living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Gastropoda Cuvier, 1795 - snails and slugs
             Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
               Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
                 Superfamily Cypraeacea see Superfamily Cypraeoidea Rafinesque, 1815
                   2 Family Cypraeidae Rafinesque, 1815 - cowries
                   3 Family Ovulidae Fleming, 1822 - egg snails
                   4 Family Triviidae Troschel, 1863 - trivias
                   5 Family Pediculariidae J.E. Gray, 1853 see Subfamily Pediculariinae Gray, 1853
                   6 Family Lamellariidae d'Orbigny, 1842 see Subfamily Lamellariinae d'Orbigny, 1841
                   7 Family Pseudosacculidae Kuroda, 1933 see Subfamily Lamellariinae d'Orbigny, 1841