organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Coelomata see [unranked] Coelomates Hyman, 1951
           Series Deuterostoma
             Phylum Chordata Bateson, 1885 - chordates
               Subphylum Gnathostomata Gegenbaur, 1874 see Infraphylum Gnathostomata Gegenbaur, 1874
                 Superclass Tetrapoda Goodrich, 1930 - tetrapods see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
                   Class Mammalia Linnaeus, 1758 - mammals
                     Subclass Theria Parker & Haswell, 1897
                       Infraclass Eutheria Gill, 1872
                         1 Order Insectivora Bowdich, 1821 - insectivores see Superorder Insectivora Bowdich, 1821
                         2 Order Primates Linnaeus, 1758 - primates
                         3 Order Chiroptera Blumenbach, 1779 - bats
                         4 Order Rodentia Bowdich, 1821 - rodents
                         5 Order Carnivora Bowdich, 1821 - carnivores
                         6 Order Pinnipedia Illiger, 1811 - seals, sea lions, and walrus see Parvorder Pinnipedia Illiger, 1811