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Vertebrata Palasiatica ›› 2001, Vol. 39 ›› Issue (02): 77-87.

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THE SECOND THALATTOSAUR FROM THE TRIASSIC OF GUIZHOU, CMNA

LIU Jun, RIEPPEL, Olivier   

  • Online:2001-06-15 Published:2001-06-15

贵州三叠纪海龙类化石一新材料

刘俊, 奥利维尔•瑞柏尔   

Abstract: A new specimen of Xinpusaurus (Xinpusaurus cf. X. suni Yin) from the Wayao Member, Falang Formation (early Late Triassic) of Guanling, Guizhou Province, southwestrn China, is described, and the diagnosis of that taxon is revised. This taxon was originally described as an ichthyosaur, but is in fact a thalattosaur. A preliminary phylogenetic analysis indicates potential trans-Pacific relationships of Xinpusaurus.

摘要: 记述了贵州关岭晚三盈世早期法郎组瓦窑段新的海龙标本:一个基本完整的侧向挤压头骨及下颌(中国科学院古脊椎动物与古人类研究所标本编号V 11860)。根据图版,它与尹恭正等(2000)建立并归入鱼龙目Cymbospondylidae科的孙氏“新铺鱼龙" (Xinpusaurus suni)极为相似。但是由于从文章中得不到头部关键性状的描述,并且本文第一作者到贵阳也不被允许观察标本,目前只有依据与正模图版的对比将V 11860标本暂定为孙氏新铺龙相似种(Xinpusaurus cf. X. suni)。由于系统