Class Mammalia Linnaeus, 1758 - mammals
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
     Family Cervidae Batsch, 1788 - deer
       Subfamily Cervinae Batsch, 1788
         1 Genus Axis Smith, 1827 - axis deer
         2 Genus Cervus Linnaeus, 1758 - red deer
         3 Genus Dama Frisch, 1775 - fallow deer
         4 Genus Elaphurus Milne-Edwards, 1866 - Père David's deer