Butler, P.M.Studies of the Mammalian Dentition. I. The Teeth of Centetes Ecaudatus and Its Allies, Proc. Zool. Soc. London, Series B, 107: 103-32, 1937.
2.
Butler, P.M.A. Theoryof the Evolution ofMammalian Molar Teeth, Am. J. Sci., 239:421-50, 1941.
3.
Cope, E.D.On the Homologies and Origin of the Types of Molar Teeth in Mammalia Educabilia , J. Acad. Natur. Sci. Philadelphia, 8:71-89, 1874. 4. Gidley, J.W.Evidence Bearing on Tooth-Cusp Development , Proc. Washington Acad. Sci., 8:19-106, 1906.
4.
Gregory, W.K.A Half Century of Trituberculy: The Cope-Osborn Theory of Dental Evolution, With a Revised Summary of Molar Evolution from Fish to Man, Proc. Am. Phil. Soc., 73:169-317, 1934.
5.
Hershkovitz, P.Evolution of Neotropical Cricetine Rodents (Muridae) with Special Reference to the Phyllotine Group, Fieldiana, Zoology, Chicago, 46:1-524, 1962.
6.
Mills, J.R.E.The Development of the Protocone during the Mesozoic. Folio of Materials for the International Symposium on Tooth Morphology, Fredensborg, Denmark.
7.
Osborn, H.F.The Evolution of Mammalian Molars to and from the Triangular Type, Am. Natur., 22:1067-79, 1888.
8.
Quinet, G.E.Etude de la morphologie dentaire comparee des Mammiferes eocenes de Dormaal: Metaheriens, Insectivores, Primates, Rongeurs et Condlylarthres. Mem. Inst. Roy. Sci. Natur. Belg.
9.
Scott, W.B.The Evolution of the Premolar Teeth in the Mammals, Proc. Acad. Natur. Sci. Philadelphia, 405-444, 1892.
10.
Simpson, G.G.Studies of the Earliest Mammalian Dentitions , D. Cosmos, 78:791-800; 940-53, 1936.
11.
Vandebroek, G.The Comparative Anatomy of the Teeth of Lower and Non Specialized Mammals, International Colloquy on the Evolution of Mammals. Kon VI. Acad. Wetensch . Lett. Sch. Kunsten Belgie, Brussels , 1961, p. 215-320 (part I); 44 (part II).
12.
Vandebroek, G.Recherches sur l'origine des mammiferes, Ann. Soc. Roy. Zool. Belg., 94:117-60, 1964.
