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
                 1 Genus †Afriquiamus Sigogneau-Russell, 1999, sedis mutabilis
                 2 Genus †Arguimus Dashzeveg, 1979, sedis mutabilis
                 3 Genus †Arguitherium Dashzeveg, 1994 see Genus Arguimus Dashzeveg, 1979
                 4 Genus †Nanolestes Martin, 2002, sedis mutabilis
                 5 Family †Peramuridae Kretzoi, 1946
                 6 Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001