【作者】 蒋珊； 彭楠； 姬书安；

【Author】 JIANG Shan~(1,2) PENG Nan~3 JI Shu-an~(1,2) (1 Key Laboratory of Stratigraphy and Paleontology,Ministry of Land and Resources,Beijing 100037; 2 Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037; 3 China University of Geosciences,Beijing 100083)

【机构】 国土资源部地层与古生物重点实验室； 中国地质科学院地质研究所； 中国地质大学(北京)；

【摘要】 甘肃玉门晚二叠世大山口动物群是我国已知层位最低的四足类动物群,迄今共报道了9个属种,分别隶属于爬行纲的大鼻龙类、兽孔类、缺齿类和两栖纲的离片椎类、石炭蜥类。新化石类型的发现将进一步丰富该动物群的组成,并为其与俄罗斯和南非相关动物群的对比提供新依据。大山口动物群化石为异地搬运而来,并埋藏于曲流河沉积中。更多还原

【Abstract】 The Late Permian Dashankou Fauna of western Gansu Province is acceptable to represent the lowermost known tetrapod fauna in China.Nine tetrapod species belonging to several groups of reptiles(captorhinomorphs,therapsids,anomodonts) and amphibians (temnospondyls,anthracosaurs) have been reported.The findings of new fossil materials will further improve our knowledge about the Dashankou Fauna and its correlation with the Russian and South African tetrapod faunas of the Late Permian.The remains of Dashankou Fauna were transported and buried in the meandering stream deposits.更多还原