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Jeholotriton
''Jeholotriton'' is a genus of primitive salamander from the Daohugou Beds (possibly dating to the late Jurassic period) near Daohugou village of Inner Mongolia, China.
Wang Yuan from the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences first described the species in 2000.〔Wang, Y. (2000). "A new salamander (Amphibia: Caudata) from the Early Cretaceous Jehol Biota." ''Vertebrata PalAsiatica'', 38(2): 100-103. (Chinese, with English abstract )〕 In 2005, he presented a full description in the ''Journal of Vertebrate Paleontology'' along with C. S. Rose from James Madison University, USA.〔Wang, Y. and Rose, C. (2005). "''Jeholotriton paradoxus'' (Amphibia: Caudata) from the Lower Cretaceous of southeastern Inner Mongolia, China." ''Journal of Vertebrate Paleontology'', 25(3): 523-532.〕
The genus name "Jehol-" refers to Jehol Biota, which flourished during the Early Cretaceous in northeastern China. The original naming paper (Wang, 2000) regarded the salamander a member of the biota, but recent studies reveals this fossil-bearing Daohugou Beds is lower, Middle/Late Jurassic in age. The specific name "paradoxus" refers to the strange skull morphology of the animal.
==Classification==
A phylogenetic analysis by Wang and S.E. Evans in 2006 found that ''Jeholotriton'' is a possible sister taxon to ''Pangerpeton'', a short-bodied salamander from an adjacent locality in Lingyuan, Liaoning Province, strata comparable to the Daohugou Beds. These two taxa are close to the base of crown−group Urodela (modern salamanders), either just outside it or just within.〔Wang, Y. and Evans, S. E. (2006). "A new short-bodied salamander from the Upper Jurassic/Lower Cretaceous of China." ''Acta Palaeontologica Polonica'', 51(1): 127-130.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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