Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
Count: [*†*] 1c;5o;2f; †14o;25f;96g
   Clade Epicynodonts Hopson & Kitching 2001
  Count: [*†*] 1c;5o;2f; †14o;25f;94g
     Clade Eucynodontia Kemp 1982 [Rowe 1993]
    Count: [*†*] 1c;5o;2f; †14o;23f;93g
       Clade Mammaliamorpha Rowe 1988
      Count: [*†*] 1c;5o;2f; †14o;23f;90g
         Class Mammalia Linnaeus, 1758 - mammals
        Count: [*†*] 5o;2f; †14o;21f;88g
           Clade Trechnotheria McKenna 1975
          Count: [*†*] 4o; †6o;10f;53g
             Clade Cladotheria McKenna 1975
            Count: [*†*] 4o; †6o;9f;46g
               Clade Zatheria McKenna 1975
              Count: [*†*] 4o; †4o;2f;17g
                 Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
                Count: [*†*] 4o; †4o;1f;7g
                   Infraclass Eutheria Gill, 1872
                  Count: [*†*] 2o; †3o;6g
                     Clade Placentalia Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Cohort Placentalia Owen, 1837
                    Count: [*†*] 2o; †3o
                       Superorder Ungulatomorpha Archibald, 1996
                      Count: [†*] †2o
                         Order †"Condylarthra" Cope, 1881 [paraphyletic]
                        Count: -