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
           Genus Ozotoceros Ameghino, 1891 [monotypic] - pampas deer
             Ozotoceros bezoarticus (C. Linnaeus, 1758) - pampas deer
               1 [Ozotoceros bezoarticus bezoarticus] (Linnaeus, 1758)
               2 Ozotoceros bezoarticus arerunguaensis González, Álvares-Valin & Maldonado, 2002
               3 Ozotoceros bezoarticus celer Cabrera, 1943
               4 Ozotoceros bezoarticus leucogaster Goldfuss, 1817
               5 Ozotoceros bezoarticus uruguayensis González, Álvares-Valin & Maldonado, 2002