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First record of Cricetops rodent in the Oligocene of southwestern China

文献类型：期刊论文

作者Li, Luzhou1; Ni, Xijun1,2; Lu, Xiaoyu1; Li, Qiang1,2
刊名HISTORICAL BIOLOGY
出版日期2017
卷号29期号:4页码:488-494
关键词Cricetops Oligocene Southwestern China Rodents
DOI10.1080/08912963.2016.1196686
文献子类Article
英文摘要The muroid Cricetops Matthew and Granger, 1923 commonly occurred in the Oligocene terrestrial deposits in central and northern Asia. Here we report the first record of Cricetops in the southern part of Asia. Isolated rodent molars named as a new species, Cricetops auster sp. nov., were discovered from the early Oligocene sediments at the Lijiawa locality in Yunnan Province in southwestern China. Compared to previously known Cricetops, C. auster is smaller than Cricetops dormitor Matthew and Granger, 1923 and Cricetops aeneus Shevyreva, 1965, but larger than Cricetops minor Wang, 1987. The cusps of C. auster are less conical. The ridges and crests are longer, higher and thicker. Relatively long and high crests, ridges and arms extending from the main cusps in the new species make those cusps more crescent in appearance than in C. dormitor, C. aeneus and C. minor. C. auster is a rare species in the Lijiawa mammalian fauna. Well-developed shearing tooth crests and ridges of C. auster probably suggest a different diet from the Cricetops from the northern part of Asia.
WOS关键词SYMPATRIC SPECIATION ; MIDDLE OLIGOCENE ; NEI-MONGOL ; DIVERSITY ; EVOLUTION ; MAMMALIA
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Paleontology
语种英语
WOS记录号WOS:000395149600005
资助机构Chinese Academy of Sciences(XDB03020000) ; National Basic Research Program of China(2012CB821904) ; National Natural Science Foundation of China(41472025)
源URL[http://124.16.247.212/handle/311034/7498]  
专题古脊椎动物与古人类研究所_图书馆1
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Li, Luzhou,Ni, Xijun,Lu, Xiaoyu,et al. First record of Cricetops rodent in the Oligocene of southwestern China[J]. HISTORICAL BIOLOGY,2017,29(4):488-494.
APA Li, Luzhou,Ni, Xijun,Lu, Xiaoyu,&Li, Qiang.(2017).First record of Cricetops rodent in the Oligocene of southwestern China.HISTORICAL BIOLOGY,29(4),488-494.
MLA Li, Luzhou,et al."First record of Cricetops rodent in the Oligocene of southwestern China".HISTORICAL BIOLOGY 29.4(2017):488-494.

入库方式： OAI收割

来源：古脊椎动物与古人类研究所

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