Two Jurassic salamanders with stomach contents from Inner Mongolia,China

查看全文 作　　者：DONG [1,2]LiPing;HUANG [3]DiYing;WANG [1]Yuan

机构地区：[1]Key Laboratory of Evolutionary Systematics of Vertebrates,Institute of Vertebrate Paleontology and Paleoanthropology,Chinese Academy of Sciences,Beijing 100044,China;[2]Graduate University of Chinese Academy of Sciences,Beijing 100049,China;[3]State Key Laboratory of Palaeobiology and Stratigraphy,Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences,Nanjing 210008,China

出　　处：《Chinese Science Bulletin》索引2012年第57卷第1期,共5页

基　　金：supported by the National Natural Science Foundation of China(41072015);the Knowledge Innovation Program of the Chinese Academy of Sciences(KZCX2-YW-QN104) 摘　　要：Conchostracans and corixids are part of the diet of extant salamanders,an ecologically important fact in a lacustrine environment. Here we report their discovery in the guts of the aquatic Jurassic salamanders Jeholotriton paradoxus and Chunerpeton tianyiensis, formerly abundant at Daohugou,Ningcheng County,Inner Mongolia,China.This reveals something of the ecology of this im- portant,ancient,vertebrate and invertebrate assemblage.The new fossil evidence indicates the highly selective feeding of these Jurassic salamanders;Jeholotriton preyed only on juveniles of the conchostracan Euestheria luanpingensis,and Chunerpeton only on the corixid Yanliaocorixa chinensis.We can infer the dietary differences as a consequence of different jaw and hyoid structures; and thus niche partitioning in Jurassic salamanders. 关键词：侏罗纪内蒙古蝾螈胃内容物中国古脊椎动物生态价值湖泊环境

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Two Jurassic salamanders with stomach contents from Inner Mongolia,China

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