Class [Mammalia] Linnaeus, 1758 - mammals Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889 Family Dasypodidae Gray, 1821 - armadillos Genus Cabassous McMurtrie, 1831 - naked-tailed armadillos Cabassous chacoensis Wetzel, 1980 - Chacoan naked-tailed armadillo