Psittacosaurus and Protiguanodon : two Lower Cretaceous iguanodonts from Mongolia. American Museum novitates ; no. 127

Osborn, Henry Fairfield, 1857-1935.Central Asiatic Expeditions (1921-1930)2005-10-062005-10-061924http://hdl.handle.net/2246/322116 p. : ill. ; 24 cm.1531790 bytesapplication/pdfen-USQL1 .A436 no.127, 1924Psittacosaurus mongoliensis.Protiguanodon mongoliense.Dinosaurs -- Mongolia.Reptiles, Fossil -- Mongolia.Paleontology -- Cretaceous -- Mongolia.Paleontology -- Mongolia.Psittacosaurus and Protiguanodon : two Lower Cretaceous iguanodonts from Mongolia. American Museum novitates ; no. 127Two Lower Cretaceous iguanodontstext