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 Arthropoda Siebold, 1848 - arthropods
        Count: [c] 13c;103o;2228f;3426g;823s;9ss; †2o;3f;6g
           Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
          Count: [f] 1c;36o;588f;819g;256s;1ss; †2f;3g
             Subclass Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
            Count: [f] 4o;31f;85g;26s
               Order Thoracica Darwin, 1854 - goose and acorn barnacles see Superorder Thoracica Darwin, 1854
              Count: [f] 17f;39g;9s
                 Suborder Balanomorpha Pilsbry, 1916
                Count: 8f;21g;5s
                   Superfamily Balanoidea Leach, 1817
                  Count: [f] 3f;9g;3s
                     Family Balanidae Leach, 1817
                    Count: [g] 3g;2s
                       1 Genus Balanus Da Costa, 1778
                      Count: 2s
                       2 Genus Tetrabalanus Cornwall, 1941
                      Count: -
                       3 Genus Megabalanus Zullo, 1967
                      Count: -