TY - BOOK AU - Woodburne,Michael O. TI - Phyletic diversification of the Cormohipparion occidentale complex ( Mammalia; Perissodactyla, Equidae), Late Miocene, North America, and the origin of the old world Hippotherium datum T2 - Bulletin of the American museum of natural history PY - 2007/// CY - New York PB - Amer. museum of natural history KW - Paleontology N1 - Bibliogr. :p. 134-138 ER -