Notoungulata and Litopterna of the Early Miocene Chucal fauna, northern Chile / Darin A. Croft --, John J. Flynn --, André R. Wyss --.

n.s. no.50(2004)

New Pantodonta and Dinocerata from the Upper Paleocene of western Colorado / by Bryan Patterson --

v.6:no.24(1939)