Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
       Family Cervidae Batsch, 1788 - deer
         Subfamily Capreolinae Brookes, 1828
           1 Genus Alces Gray, 1821 - moose
           2 Genus Blastocerus Wagner, 1844 [monotypic] - marsh deer
           3 Genus Capreolus Gray, 1821 - roe deer
           4 Genus Hippocamelus Leuckart, 1816 - guemals
           5 Genus Mazama Rafinesque, 1817 - brockets
           6 Genus Odocoileus Rafinesque, 1832 - white-tailed deer and mule deer
           7 Genus Ozotoceros Ameghino, 1891 [monotypic] - pampas deer
           8 Genus Pudu Gray, 1852 - pudus
           9 Genus Rangifer Smith, 1827 [monotypic] - caribou