[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Kingdom Animalia Linnaeus, 1758 - animals
  Status: extant
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
    Status: extant
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
      Status: extant
         Subdivision Deuterostomia Grobben, 1908 see Infrakingdom Deuterostomia Grobben, 1908
        Status: extant
           Phylum Chordata Bateson, 1885 - chordates
          Status: extant
             Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
            Status: extant
               Superclass Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
              Status: extant
                 Class Mammalia Linnaeus, 1758 - mammals
                Status: extant
                   Subclass Prototheria Gill, 1872 - monotremes
                  Status: extant
                     Infraclass †Eotheria (Kermack & Mussett, 1958)
                    Status: fossil
                       Order †Docodonta Kretzoi, 1946 - docodonts
                      Status: fossil
                         Genus †Haldanodon Kühne & Krusat, 1972
                        Status: fossil