Early Pleistocene Equus (Equidae, Perissodactyla) from Andersson Loc. 32 in Qixian, Shanxi, China

doi:10.1080/08912963.2017.1357718

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	Early Pleistocene Equus (Equidae, Perissodactyla) from Andersson Loc. 32 in Qixian, Shanxi, China
	Sun, Boyang 1,2; Deng, Tao1,2,3 ; Liu, Yan 1
	2019-02-07
发表期刊	HISTORICAL BIOLOGY
ISSN	0891-2963
卷号	31 期号:2 页码:211-222
摘要	The Equus specimens of Andersson Loc. 32 in Qixian, Shanxi previously identified as Equus cf. sanmeniensis are rediscovered in this research. The skull has moderate size, deep nasal notch, clear preorbital fossa, undulated lateral outline, upper cheek tooth with simple fossette and incisor with incomplete cup, should be identified as Equus teilhardi. The mandible has cheek tooth with V-shaped linguaflexid, incisor with incomplete cup, moderate size, strong pli caballinid and deep ectoflexid on molar, should be identified as Equus qingyangensis. This skull is first record of a complete cranial material of E. teilhardi, reveals many important cranial features of E. teilhardi, supports anatomical comparison and phylogenetic discussion with other stenonid horses. The morphological differences between E. teilhardi and E. qingyangensis show their different niches, further explain the reason of their coexistence. Incomplete cup on incisor is an unstable feature. It has been found in several species of stenonid horses, likely a remaining feature derived from the most primitive Equus, Equus simplicidens. The small-sized stenonid horses with short limbs and incisors with incomplete cups likely have relation with E. teilhardi, such as Equus yunnanensis and Equus stehlini. E. qingyangensis has most primitive features in Eurasian stenonid horses.
关键词	Stenonid horse new record relation evolution
DOI	10.1080/08912963.2017.1357718
关键词[WOS]	MAMMALIA ; HORSE
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[41430102] ; National Natural Science Foundation of China[41402003] ; Strategic Priority Cultivating Research Program, CAS[XDPB05] ; Key Research Program of Frontier Sciences, CAS
WOS研究方向	Life Sciences & Biomedicine - Other Topics ; Paleontology
WOS类目	Biology ; Paleontology
WOS记录号	WOS:000456012500012
出版者	TAYLOR & FRANCIS LTD
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/9285
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Deng, Tao
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China 3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Sun, Boyang,Deng, Tao,Liu, Yan. Early Pleistocene Equus (Equidae, Perissodactyla) from Andersson Loc. 32 in Qixian, Shanxi, China[J]. HISTORICAL BIOLOGY,2019,31(2):211-222.
APA	Sun, Boyang,Deng, Tao,&Liu, Yan.(2019).Early Pleistocene Equus (Equidae, Perissodactyla) from Andersson Loc. 32 in Qixian, Shanxi, China.HISTORICAL BIOLOGY,31(2),211-222.
MLA	Sun, Boyang,et al."Early Pleistocene Equus (Equidae, Perissodactyla) from Andersson Loc. 32 in Qixian, Shanxi, China".HISTORICAL BIOLOGY 31.2(2019):211-222.

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