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 Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
            Count: [f] 3o;145f;511g;31s
               Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
              Count: [f] 95f;318g;14s
                 Superfamily Cerithiacea Férussac, 1819 see Superfamily Cerithioidea Fleming, 1822
                Count: [f] 15f;63g;1s
                   Family Thiaridae Gill, 1871 (1823)
                  Count: 6g
                   Family Planaxidae Gray, 1850
                  Count: 2g
                   Family Melanopsidae Adams & Adams, 1854
                  Count: 3g
                   Family Modulidae Fischer, 1884
                  Count: 1g;1s
                   Family Cerithiidae Fleming, 1822 - ceriths
                  Count: 10g
                   Family Campanilidae Douvillé, 1904
                  Count: 1g
                   Family Diastomatidae Cossmann, 1894
                  Count: 4g
                   Family Pleuroceridae Fischer, 1885 (1863)
                  Count: 6g
                   Family Syrnolopsidae Bourguignat, 1890 see Tribe Syrnolopsini Bourguignat, 1890
                  Count: [g] 3g
                   ?Family Delavayidae Annandale, 1924 see Tribe Triculini Annandale, 1924
                  Count: 3g
                   Family Cerithiopsidae Adams & Adams, 1853
                  Count: 3g
                   Family Triforidae Jousseaume, 1884 see Family Triphoridae Gray, 1847
                  Count: 2g
                   Family Turritellidae Lovén, 1847 - turret snails
                  Count: 5g
                   Family Vermetidae Rafinesque, 1815 - worm snails
                  Count: 4g
                   Family Potamididae Adams & Adams, 1854 - potamids
                  Count: 10g
                     1 Subfamily Potamidinae Adams & Adams, 1854 see Family Potamididae Adams & Adams, 1854
                    Count: [g] 7g
                     2 Subfamily Batillarinae see Subfamily Batillariinae Thiele, 1929
                    Count: [g] 3g