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By: Gao, Keqin, - Fox, Richard C. - Zhou, Chang-Fu. - Li, Da-Qing, paleontologist.Edition:Publication info: New York, NY, American Museum of Natural History, c2010Volume: no. 3685Series:Holding Institution: American Museum of Natural History LibrarySubjects: Anatomy Beishanodon youngi China Gansu Sheng Paleontology Phylogeny Reptiles, Fossil Skull Stratigraphic correlation Therapsida TriassicBHL Collections: