(1967). Subfamilies and genera of the Soricidae. U.S. Dept. Interior, Geol. Survey Prof. Paper, 565, 1-74.
Repenning C.A. (1972). Underwater hearing in seals: Functio¬nal morphology. In: R.J. Harrison (ed.), Functional Ana¬tomy of Marine Mammals, pp. 307-331. Academic Press, London.
Repenning C. A., Tedford R.H. (1977). Ontarioid seals of the Neogene. U. S. Dept. Interior, Geol. Survey Prof. Paper, 992, 1-93.
Rich T.H.V. (1981). Origin and history of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bull. Am. Mus. Nat. Hist, 171, 1-116.
Romer A. S. (1966). Vertebrate Paleontology (3d ed.). University of Chicago Press, Chicago.
Rose K.D. (1982). Anterior dentition of the early Eocene plagiomenid dermopteran Worlandia. J. Mamm, 63(1), 179-183.
Rose K.D., Fleagle J. G. (1981). The fossil history of nonhuman primates in the Americas. In: A. F. Coimbra-Filho and R. A. Mittermeier (eds.), Ecology and Behavior of Neotro¬pical Primates, pp. 111-167. Academia Brasileira de Ciecias, Rio de Janeiro.
Rose K.D., Simons E.L. (1977). Dental function in the Plagiomenidae: Origin and relationships of the mammalian order Dermoptera. Univ. Mich, Contr. Mus. Paleont, 24, 221-236.
Rose K.D., Walker A. (1984). The skeleton of Early Eocene Cantius oldest lemuriform primate. Am. J. Phys. Anthrop, 66, 73-89.
Rose K.D., Walker A., Jacobs L.L. (1981). Function of the mandibular tooth comb in living and extinct mammals. Nature, 289, 583-585.
Rosenberger A.L., Szalay F.S. (1980). On the tarsiiform origins of Anthropoidea. In: R. L. Ciochon and A. B. Chiarelli (eds.), Evolutionary Biology of the New Word Monkeys and Continental Drift, pp. 139-157. Plenum Press, New York.
Russell D.E., Louis P., Savage D.E. (1973). Chiroptera and Dermoptera of the French Early Eocene, Univ. Calif. Publ. Geol. Sci, 95, 1-57.
Savage D.E., Russell D.E. (1983). Mammalian Paleofaunas of the World. Addison-Wesley, London.
Savage R.J. G. (1957). The anatomy of Potamotherium an Oligocene lutrine.