Hopson, J.A. & Barghusen, H.R., 1986. An Analysis of Therapsid Relationships. In N. Hotton III, P.D. MacLean, J.J. Roth & E.C. Roth (eds.), Ecol. Biol. Mammal-like Reptiles: 83-106. ≡
|
Hopson, J.A. & Kitching, J.W., 2001. A Probainognathian Cynodont from South Africa and the Phylogeny of Nonmammalian Cynodonts. In F.A. Jenkins Jr., M.D. Shapiro & T. Owerkowicz (eds.), Bull. Mus. Comp. Zool. Harvard 156 (1), 10 Oct 2001: 5-35. ≡
|