living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Eutheria Gill, 1872
                   Order Carnivora Bowdich, 1821 - carnivores
                     Suborder Caniformia Kretzoi, 1943
                       Superfamily Arctoidea Flower, 1869 see Infraorder Arctoidea Flower, 1869
                         Family Otariidae Gray, 1825 - eared seals, fur seals, and sea lions
                           Subfamily Otariinae Gray, 1825
                             1 Genus Phocarctos Peters, 1866 - Hooker's sea lion
                             2 Genus Otaria Péron, 1816 - southern sea lion
                             3 Genus Zalophus Gill, 1866 - California sea lion
                             4 Genus Neophoca Gray, 1866 - Australian sea lion
                             5 Genus Eumetopias Gill, 1866 - northern sea lion, Steller sea lion