living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Count: [c] 2k;51p;154c;900o;7001f;17,209g;4300s;33ss;8v; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
     Kingdom Animalia Linnaeus, 1758 - animals
    Count: [c] 38p;101c;595o;5766f;13,419g;3233s;32ss;3v; ‡1f;6g;7s;1ss; †1c;9o;10f;16g;1s
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Count: [c] 29p;70c;458o;5094f;11,476g;2933s;31ss;3v; ‡1f;6g;7s;1ss; †1c;8o;10f;11g;1s
         Phylum Mollusca Linnaeus, 1758 - molluscs
        Count: [f] 8c;42o;538f;1769g;163s; †2f;1g
           Class Gastropoda Cuvier, 1795 - snails and slugs
          Count: [f] 16o;332f;1050g;85s
             Subclass Pulmonata Cuvier, 1814 - land snails and slugs see Order Pulmonata Cuvier, 1814
            Count: [f] 4o;78f;189g;18s
               Order Basommatophora Keferstein, 1865 see Suborder Basommatophora Keferstein, in Bronn, 1864
              Count: [f] 15f;34g;4s
                 Superfamily Siphonariacea Gray, 1840, nom. illeg. see Superfamily Siphonarioidea Gray, 1827
                Count: [f] 2f;3g
                   Family Siphonariidae Gray, 1827
                  Count: 2g
                     1 Genus Siphonaria Sowerby, 1823
                    Count: -
                     2 Genus Williamia Monterosato, 1884
                    Count: -