Chinese Science Bulletin

, Volume 57, Issue 1, pp 72–76 | Cite as

Two Jurassic salamanders with stomach contents from Inner Mongolia, China

  • LiPing DongEmail author
  • DiYing HuangEmail author
  • Yuan Wang
Open Access
Letter Geology


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 important, 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.


Jurassic caudate Jeholotriton Chunerpeton stomach contents Daohugou Inner Mongolia 


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© The Author(s) 2011

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

Authors and Affiliations

  1. 1.Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijingChina
  2. 2.Graduate University of Chinese Academy of SciencesBeijingChina
  3. 3.State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and PalaeontologyChinese Academy of SciencesNanjingChina

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