Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): 113, table 3.3 (p. 134); fig. 3.13
   Clade Epicynodonts Hopson & Kitching 2001
  Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): 113
     Clade Eucynodontia Kemp 1982 [Rowe 1993]
    Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): 113; fig. 3.13
       Clade Mammaliamorpha Rowe 1988
      Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): 113, table 3.3 (p. 134); figs. 3.13, 3.20
         Class Mammalia Linnaeus, 1758 - mammals
        Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): 113, tables 1.1 (p. 14), 4.1 (p. 164), 9.1 (p. 344)
           Genus †Reigitherium Bonaparte, 1990, sedis mutabilis
          Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 14)