Class Mammalia Linnaeus, 1758 - mammals
Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians
see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
Infraclass Eutheria Gill, 1872
Magnorder Epitheria McKenna, 1975
see Cohort Placentalia Owen, 1837
Superorder Insectivora Bowdich, 1821
Order †Leptictida McKenna, 1975
1 Family †Gypsonictopsidae Kielan-Jaworowska, Cifelli & Luo, 2004, orth. inval.
see Family Gypsonictopidae Van Valen, 1967