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Late Pleistocene Mammalian Fauna from the Mashandong,Chaoyang,Liaoning Province

DONG Wei1,FU Ren-yi2,FENG Xing-wu1,ZHANG Shuang-quan1(1.Institute of Vertebrate Paleontology and Paleoanthropology,Chinese Academy of Sciences,Beijing 100044,China;2.Cultural Relics and Archaeology Research Institute of liaoning Province,Shenyang 110003,China)  
A new mammalian fauna was uncovered at Mashandong,Chaoyang Municipality,Liaoning Province.The perissodactyls and artiodactyls unearthed in 2007 from the Mashandong are systematically described.The identified taxa are as follow:Equus przewalskii,Cervus(E.)elaphus,Procapra przewalskii,Spirocerus kiakhtensis,Spirocerus peii,Pseudois sp.The analysis of the Mashandong mammalian fauna showed that it belongs to the Northern Region.Its ecological environment is mainly open grassland with some mosaic forests,and in the semi-humid to semi-arid continental monsoon climate.The average temperature then was slightly lower than that of today.The extinct taxa in the Mashandong fauna are not numerous.The composition of the fauna is close to that of the Gulongshan,Xiaogushan and Yanjiagang,and its age should be between those of these faunas and is estimated about 50ka.
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