Class Mammalia Linnaeus, 1758 - mammals
   Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889
     Family Myrmecophagidae Gray, 1825 - anteaters
       Genus Tamandua Gray, 1825 - lesser anteaters
         Tamandua tetradactyla (C. Linnaeus, 1758) Gray, 1825 - southern tamandua