Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
Clade Epicynodonts Hopson & Kitching 2001
Clade Eucynodontia Kemp 1982 [Rowe 1993]
Clade Mammaliamorpha Rowe 1988
Class Mammalia Linnaeus, 1758 - mammals
Clade Trechnotheria McKenna 1975
Clade Cladotheria McKenna 1975
Clade Zatheria McKenna 1975
Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians
see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
Infraclass Eutheria Gill, 1872
Clade Placentalia Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]
see Cohort Placentalia Owen, 1837
Superorder Ferae Linnaeus, 1758
see Grandorder Ferae Linnaeus, 1758
1 Order Cimolesta McKenna, 1975