Simpson, George Gaylord, 1902-Scarritt Patagonian Expedition 1930-1931)2005-10-062005-10-061938http://hdl.handle.net/2246/22045 p. : ill. ; 24 cm.Includes bibliographical references (p. 5).527913 bytesapplication/pdfen-USQL1 .A436 no.989, 1938Coöna pattersoni.Opossums, Fossil -- Argentina -- Chubut.Mammals, Fossil -- Argentina -- Chubut.Paleontology -- Eocene -- Argentina -- Chubut.Paleontology -- Argentina -- Chubut.A new marsupial from the Eocene of Patagonia. American Museum novitates ; no. 989New marsupial from Eocene of Patagoniatext