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 1 Tamandua mexicana (Saussure, 1860) - northern tamandua 2 Tamandua tetradactyla (C. Linnaeus, 1758) Gray, 1825 - southern tamandua