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
Order †Asioryctitheria Novacek, Rougier, Wible, McKenna, Dashzeveg & Horovitz, 1997