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 Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
      Count: [c] 7p;27c;109o;562f;1802g;273s;1ss; †4g
         Phylum Sarcomastigophora Honigberg & Balamuth, 1963
        Count: [c] 15c;65o;251f;965g;210s;1ss
           Subphylum Mastigophora Diesing, 1866 - flagellates
          Count: [f] 3c;22o;30f;118g;52s
             Class Zoomastigophora see Class Zoomastigophorea
            Count: [f] 10o;30f;118g;52s
               Class Zoomastigophora see Class Zoomastigophorea
              Count: [f] 10o;30f;118g;52s
                 Order Diplomonadida Wenyon, 1926 - diplomonads
                Count: [g] 2f;10g;10s
                   Suborder Diplomonadina see Order Diplomonadida Wenyon, 1926
                  Count: [g] 1f;7g;9s
                     Family Hexamitidae Kent, 1881
                    Count: 7g;9s
                       Subfamily Hexamitinae Kent, 1880 see Family Hexamitidae Kent, 1881
                      Count: [g] 5g;6s
                         ?Genus Trigonomonas Klebs, 1892
                        Count: -