Simpson, George Gaylord, 1902-Scarritt Patagonian Expedition 1930-1931)2005-10-062005-10-061932http://hdl.handle.net/2246/300421 p. : ill. ; 24 cm.Includes bibliographical references (p. 21).4306636 bytesapplication/pdfen-USQL1 .A436 no.566, 1932Cretaceous-Tertiary boundary -- Patagonia (Argentina and Chile)Mammals, Fossil -- Patagonia (Argentina and Chile)Dinosaurs -- Patagonia (Argentina and Chile)Florentinoameghinia mystica.Reptiles, Fossil -- Patagonia (Argentina and Chile)Paleontology -- Cretaceous -- Patagonia (Argentina and Chile)Paleontology -- Tertiary -- Patagonia (Argentina and Chile)Paleontology -- Patagonia (Argentina and Chile)Geology, Stratigraphic -- Cretaceous -- Patagonia (Argentina and Chile)Geology, Stratigraphic -- Tertiary -- Patagonia (Argentina and Chile)The supposed association of dinosaurs with mammals of Tertiary type in Patagonia. American Museum novitates ; no.566Dinosaurs and mammals in Patagoniatext