Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Cynodontia Owen 1861 [Rowe 2020]
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, nom. cl. inval. see Clade Mammaliamorpha Rowe 1988 [Rowe 2020]
      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
             Family †Spalacotheriidae Marsh, 1887
            Count: [†*] †7g [17 Mar 2022]
               1 Genus †Spalacotherium Owen, 1854, incertae sedis
              Count: -
               2 Genus †Zhangheotherium Hu et al., 1997, incertae sedis
              Count: -
               3 Subfamily †Spalacolestinae Cifelli & Madsen, 1999
              Count: [†*] †5g [17 Mar 2022]