Large Tetrapod Burrows from the Permian Naobaogou Formation of the Daqingshan Area, Nei Mongol, China

作     者：LIU Jun LI Lu 

作者机构：Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of Sciences 

出 版 物：《Acta Geologica Sinica(English Edition)》 (地质学报（英文版）)

年 卷 期：2013年第87卷第6期

页      面：1501-1507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] 0819[工学-矿业工程] 07[理学] 0818[工学-地质资源与地质工程] 0708[理学-地球物理学] 0816[工学-测绘科学与技术] 

基　　金：funded by 973 Program of China (Grant No. 2012CB821902) National Science Foundation of China (40972014) Chinese Academy of Sciences (KZCX2-YW-BR-07) 

主　　题：burrow Naobaogou Formation dicynodon therocephalian 

摘      要：Two new tetrapod burrow casts from the Naobaogou Formation （Middle or Late Permian） of Nei Mongol,China are *** marks the first pre-Cenozoic tetrapod burrow from China,and one of the earliest records of tetrapod *** to other Permian and Triassic burrows suggests that these burrows were created by tetrapod slightly smaller than *** from the morphology and sizes of two burrows and known tetrapods of the Naobaogou Formation,the burrow should be the production of a therapsid,most likely a *** burrows indicate a seasonal climate and this area was semiarid or arid during that time.