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 Family †Thereuodontidae Sigogneau-Russell & Ensom, 1998, sedis mutabilis [monotypic] Count: [†*] †1g [17 Mar 2022] Genus †Thereuodon Sigogneau-Russell, 1989 Count: -