Browsing by Author "Zhongguo di zhi bo wu guan."
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Item Ordosemys (Testudines, Cryptodira) from the Yixian Formation of Liaoning Province, northeastern China : new specimens and systematic revision. American Museum novitates ; no. 3438(New York, NY : American Museum of Natural History, 2004) Tong, Haiyan.; Ji, Shu'an.; Ji, Qiang.; Zhongguo di zhi bo wu guan.The Yixian Formation, in Liaoning Province, northeastern China, has yielded abundant turtle remains which were described previously as Manchurochelys liaoxiensis. Study of a new collection in the Geological Museum of China and reexamination of previously studied IVPP collection allow us to assign this turtle to Ordosemys. Additional primitive features observed in Ordosemys liaoxiensis confirm its basal position among Centrocryptodira.