Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988] Clade Epicynodonts Hopson & Kitching 2001 1 Clade Eucynodontia Kemp 1982 [Rowe 1993] 2 Family †Thrinaxodontidae Watson & Romer, 1956 3 Family †galesaurids Lydekker, 1890