Class Mammalia Linnaeus, 1758 - mammals Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889 Family Dasypodidae Gray, 1821 - armadillos Subfamily Dasypodinae Gray, 1821 Genus Tolypeutes Illiger, 1811 - three-banded armadillos Tolypeutes matacus (Desmarest, 1804) - southern 3-banded armadillo