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 mexicana (Saussure, 1860) - northern tamandua