Phylum [Vertebrata] (Lamarck, 1801) Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Infraclass Eutheria Gill, 1872 Cohort Epitheria McKenna, 1975 Superorder Insectivora Bowdich, 1821 Order †Leptictida McKenna, 1975