Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Perissodactyla Owen, 1848 - odd-toed ungulates
       Family Tapiridae Gray, 1821 [monotypic] - tapirs
         Genus Tapirus Brisson, 1762 - tapirs
           Tapirus terrestris group
             Tapirus terrestris (Linnaeus, 1758) - South American tapir
               1 [Tapirus terrestris terrestris] (Linnaeus, 1758)
               2 Tapirus terrestris aenigmaticus Gray, 1872
               3 Tapirus terrestris colombianus Hershkovitz, 1954
               4 Tapirus terrestris spegazzinii Amhegino, 1916