Phylum [Vertebrata] (Lamarck, 1801) Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Infraclass Eutheria Gill, 1872 Cohort Edentata Cuvier, 1798 Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889