Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Pilosa Flower, 1883 - sloths
       Suborder Vermilingua Gray, 1869 - anteaters
         Family Myrmecophagidae Gray, 1825 - anteaters
           Genus Tamandua Gray, 1825 - lesser anteaters
             Tamandua tetradactyla (C. Linnaeus, 1758) Gray, 1825 - southern tamandua
               1 [Tamandua tetradactyla tetradactyla]ᵀ (C. Linnaeus, 1758)
               2 Tamandua tetradactyla nigra (Geoffroy, 1803)
               3 Tamandua tetradactyla quichua Thomas, 1927
               4 Tamandua tetradactyla straminea (Cope, 1889)