Protoceratops andrewsi, a pre-ceratopsian dinosaur from Mongolia. American Museum novitates ; no.72

Granger, Walter, 1872-1941.Gregory, William K. (William King), 1876-Berkey, Charles Peter, b. 1867.Central Asiatic Expeditions (1921-1930)2005-10-062005-10-061923http://hdl.handle.net/2246/46709 p. ill. ; 24 cm.Includes bibliographical references.2544586 bytesapplication/pdfen-USQL1 .A436 no.72, 1923Protoceratops andrewsi.Dinosaurs -- Mongolia.Reptiles, Fossil -- Mongolia.Paleontology -- Cretaceous -- Mongolia.Paleontology -- Mongolia.Geology, Stratigraphic -- Cretaceous -- Mongolia.Geology -- Mongolia.Protoceratops andrewsi, a pre-ceratopsian dinosaur from Mongolia. American Museum novitates ; no.72Pre-ceratopsian dinosaurtext