Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988] Clade Epicynodonts Hopson & Kitching 2001 Clade Eucynodontia Kemp 1982 [Rowe 1993] Clade Mammaliamorpha Rowe 1988 Class Mammalia Linnaeus, 1758 - mammals Clade Yinotheria Chow & Rich 1982 [Kielan-Jaworowska, Cifelli & Luo 2004] 1 Order †Shuotheridia Chow & Rich, 1982 2 Subclass Australosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 see Clade Australosphenida Luo, Cifelli & Kielan-Jaworowska 2001