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 Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
                     Suborder Ruminantia Scopoli, 1777
                       Infraorder Pecora Linnaeus, 1758
                         Family Cervidae Batsch, 1788 - deer
                           Subfamily Odocoileinae Pocock, 1923 see Subfamily Capreolinae Brookes, 1828
                             01 Genus Capreolus Gray, 1821 - roe deer
                             02 Genus Hydropotes Swinhoe, 1870 - Chinese water deer
                             03 Genus Alces Gray, 1821 - moose
                             04 Genus Rangifer Smith, 1827 - caribou
                             05 Genus Odocoileus Rafinesque, 1832 - white-tailed deer and mule deer
                             06 Genus Mazama Rafinesque, 1817 - brockets
                             07 Genus Hippocamelus Leuckart, 1816 - guemals
                             08 Genus Pudu Gray, 1852 - pudus
                             09 Genus Blastoceros Fitzinger, 1873 see Genus Ozotoceros Ameghino, 1891
                             10 Genus Blastocerus Wagner, 1844 - marsh deer