The Norian megalodontid fauna in Qinghai-Tibet Plateau,western China

作     者：YAO HuaZhou ZHANG RenJie SHA JingGen WANG JianXiong NIU ZhiJun DUAN QiFa 

作者机构：Wuhan Institute of Geology and Mineral Resources China Geological Survey Wuhan 430223 China Nanjing Institute of Geology and Paleontology Chinese Academy of Sciences Nanjing 210008 China 

出 版 物：《Science China Earth Sciences》 (中国科学（地球科学英文版）)

年 卷 期：2012年第55卷第10期

页      面：1620-1626页

核心收录：

学科分类：070903[理学-古生物学与地层学(含：古人类学)] 0709[理学-地质学] 07[理学] 0713[理学-生态学] 

基　　金：supported by National Natural Science Foundation of China (Gant No. 41172025) China Geological Survey Project (Grant No. 1212011120116) 

主　　题：Qinghai-Tibet Plateau western China Norian megalodontids 

摘      要：Many well-preserved silicified megalodontids found from the Jiapila Formation of the Upper Triassic in western China show great variations in the amorphous teeth and the massive hinge plate,making the internal molds vary greatly in size and ***,the internal molds of megalodontids do not always provide reliable taxonomic *** a result,about 3/4 of the 132 species and 6 of 9 genera of Triassic Megalodontidae erected on the basis of internal molds have to be *** revised definitions of genera Neomegalodon,Triadomegalodon,and Conchodon are given in this paper.