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
                       1 Superorder Anagalida Szalay & McKenna, 1971 see Order Anagalida Szalay & McKenna, 1971
                       2 Superorder Archonta Gregory, 1910 see Grandorder Archonta Gregory, 1910
                       3 Superorder Insectivora Bowdich, 1821
                       4 Superorder Ferae Linnaeus, 1758 see Grandorder Ferae Linnaeus, 1758
                       5 Superorder Ungulatomorpha Archibald, 1996