A NEW CURSORIAL HYENA FROM TIBET, AND ANALYSIS OF BIOSTRATIGRAPHY, PALEOZOOGEOGRAPHY, AND DENTAL MORPHOLOGY OF CHASMAPORTHETES (MAMMALIA, CARNIVORA)

CORC > 古脊椎动物与古人类研究所 > 中国科学院古脊椎动物与古人类研究所 > 古哺乳动物研究室

	A NEW CURSORIAL HYENA FROM TIBET, AND ANALYSIS OF BIOSTRATIGRAPHY, PALEOZOOGEOGRAPHY, AND DENTAL MORPHOLOGY OF CHASMAPORTHETES (MAMMALIA, CARNIVORA)
	Tseng, Zhijie Jack 1,2; Li, Qiang 3; Wang, Xiaoming 1,2,3
刊名	JOURNAL OF VERTEBRATE PALEONTOLOGY
	2013-11-01
卷号	33 期号:6 页码:1457-1471
ISSN号	0272-4634
通讯作者	Tseng, ZJ (reprint author), Amer Museum Nat Hist, Div Paleontol, 200 Cent Pk West & 79th St, New York, NY 10024 USA.
英文摘要	Recent field work in the late Cenozoic Zanda Basin in southwestern Tibetan Plateau has provided new fossil evidence of vertebrate faunas spanning the late Miocene to Pleistocene, which represents new occurrences hitherto unknown in that region of Asia. In this paper we describe a new species of the cursorial hyaenid Chasmaporthetes, C. gangsriensis, sp. nov., from the Zanda Basin. Chasmaporthetes gangsriensis is smaller than other Plio-Pleistocene Eurasian records of the genus, and retains relatively wide premolars that are underdifferentiated in size. The m1 talonid has a trenchant hypoconid typical of Chasmaporthetes, but with a trigonid length-to-width ratio lower than all specimens referred to the genus. Metatarsal and phalangeal elements referred to C. gangsriensis are long and gracile, indicating cursorial abilities typical of Chasmaporthetes. With an age of early Pliocene (4.89-4.08 Ma), C. gangsriensis is morphologically the most basal Pliocene Chasmaporthetes in China, and is consistent with the out of Tibet' hypothesis for some Pleistocene megafauna. An analysis of nasal bone morphology revealed large intraspecific variation in extant spotted hyenas, showing that it is not a reliable criterion for species diagnosis in Chasmaporthetes. An evaluation of the biostratigraphic relationships among Asian and North American occurrences of Chasmaporthetes indicates that the genus first dispersed into the New World during the early Blancan North American land mammal age (NALMA) with likely ancestry close to the heterogeneous sample of C. lunensis in Eurasia. The possibility of a second dispersal is indicated by a mixed sample of specimens with significantly smaller p4/m1 length ratio than other Chasmaporthetes. SUPPLEMENTAL DATASupplemental materials are available for this article for free at www.tandfonline.com/UJVP
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
类目[WOS]	Paleontology
研究领域[WOS]	Paleontology
关键词[WOS]	FOSSIL HYAENIDS ; ZANDA BASIN ; PLATEAU ; EVOLUTION ; PLIOCENE ; GEOCHRONOLOGY ; PLEISTOCENE ; KRETZOI ; AFRICA
收录类别	SCI
资助信息	National Basic Research Program of China (973 Program) [2012CB821904]; National Natural Science Foundation of China [40702004]; National Science Foundation (US) [EAR-0446699, 0444073, 0958704, 1227212]; NSF GRFP; DDIG [DEB-0909807]
语种	英语
WOS记录号	WOS:000326965500017
公开日期	2014-12-12
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/5212]
专题	古脊椎动物与古人类研究所_古哺乳动物研究室
作者单位	1.Nat Hist Museum Los Angeles Cty, Dept Vertebrate Paleontol, Los Angeles, CA 90007 USA 2.Univ So Calif, Dept Biol Sci, Integrat & Evolutionary Biol Program, Los Angeles, CA 90089 USA 3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
推荐引用方式 GB/T 7714	Tseng, Zhijie Jack,Li, Qiang,Wang, Xiaoming. A NEW CURSORIAL HYENA FROM TIBET, AND ANALYSIS OF BIOSTRATIGRAPHY, PALEOZOOGEOGRAPHY, AND DENTAL MORPHOLOGY OF CHASMAPORTHETES (MAMMALIA, CARNIVORA)[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2013,33(6):1457-1471.
APA	Tseng, Zhijie Jack,Li, Qiang,&Wang, Xiaoming.(2013).A NEW CURSORIAL HYENA FROM TIBET, AND ANALYSIS OF BIOSTRATIGRAPHY, PALEOZOOGEOGRAPHY, AND DENTAL MORPHOLOGY OF CHASMAPORTHETES (MAMMALIA, CARNIVORA).JOURNAL OF VERTEBRATE PALEONTOLOGY,33(6),1457-1471.
MLA	Tseng, Zhijie Jack,et al."A NEW CURSORIAL HYENA FROM TIBET, AND ANALYSIS OF BIOSTRATIGRAPHY, PALEOZOOGEOGRAPHY, AND DENTAL MORPHOLOGY OF CHASMAPORTHETES (MAMMALIA, CARNIVORA)".JOURNAL OF VERTEBRATE PALEONTOLOGY 33.6(2013):1457-1471.