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Morphometric analysis of fossil hylobatid molars from the Pleistocene of southern China
Ortiz, Alejandra1; Zhang, Yingqi2,3,4; Jin, Changzhu2,3; Wang, Yuan2,3; Zhu, Min5; Yan, Yaling6; Kimock, Clare7,8; Villamil, Catalina, I9; He, Kai10; Harrison, Terry7,8
2019-08-01
Source PublicationANTHROPOLOGICAL SCIENCE
ISSN0918-7960
Volume127Issue:2Pages:109-121
AbstractThis study investigates the morphological variation and taxonomic affinities of 28 fossil gibbon molars from eight newly discovered Pleistocene cave sites in the area of Chongzuo, Guangxi Zhuang Autonomous Region, China. A recent descriptive analysis demonstrated that these fossil teeth form a uniform group that can be assigned to a single species of Nomascus. In this contribution, a two-dimensional morphometric approach is employed to examine the Chongzuo specimens in comparison with a large sample of extant hylobatids, as well as with previously reported hylobatid dental remains from the Pleistocene of China. Buccolingual and mesiodistal measurements and crown outline areas reveal that the Chongzuo molars correspond most closely with Nomascus and, to a lesser extent, Hoolock. Crown shape was investigated using elliptical Fourier analysis. Our results show that the Chongzuo specimens fall in most cases either within the range of variation of extant Nomascus to the exclusion of all other hylobatid genera, or their distance from the cluster represented by the Nomascus sample is relatively small. Similarly, the Mahalanobis distances for crown shape show a trend towards smaller morphological distances between the Chongzuo specimens and Nomascus, followed by Hoolock and Hylobates. The Chongzuo molars are also morphometrically distinct from Bunopithecus sericus, but fall within the range of overlap of other Pleistocene hylobatid dental remains from southern China. The balance of evidence indicates that the Chongzuo teeth can be attributed to cf. Nomascus. The fossil teeth are sufficiently distinct from those of extant Nomascus that they may represent an extinct species.
Keywordgibbons Nomascus Bunopithecus taxonomy elliptical Fourier analysis
DOI10.1537/ase.190331
Language英语
WOS KeywordELLIPTIC FOURIER-ANALYSIS ; SHAPE ; PHYLOGENY ; HOMINOIDS ; CHONGZUO ; GUANGXI ; GENOME ; GENUS ; SIZE
Funding ProjectStrategic Priority Research Program of Chinese Academy of Science[XDB26000000] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[173132] ; Natural Science Foundation of China[41702001] ; Natural Science Foundation of Hebei Province[D2018403098]
WOS Research AreaAnthropology ; Evolutionary Biology
WOS SubjectAnthropology ; Evolutionary Biology
WOS IDWOS:000482871400002
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Science ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of Hebei Province
PublisherANTHROPOLOGICAL SOC NIPPON
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/27902
Collection中国科学院南京地质古生物研究所
Corresponding AuthorZhang, Yingqi
Affiliation1.Arizona State Univ, Sch Human Evolut & Social Change, Inst Human Origins, Tempe, AZ 85287 USA
2.Chinese Acad Sci, IVPP, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
3.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
5.Beijing Normal Univ, Sch Hist, Beijing 100875, Peoples R China
6.Hebei GEO Univ, Geosci Museum, Shijiazhuang 050031, Hebei, Peoples R China
7.NYU, Ctr Study Human Origins, Dept Anthropol, New York, NY 10003 USA
8.New York Consortium Evolutionary Primatol, New York, NY 10003 USA
9.Univ Cent Caribe, Sch Chiropract, Bayamon, PR 00960 USA
10.Southern Med Univ, Sch Basic Med Sci, Guangzhou 510515, Guangdong, Peoples R China
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Ortiz, Alejandra,Zhang, Yingqi,Jin, Changzhu,et al. Morphometric analysis of fossil hylobatid molars from the Pleistocene of southern China[J]. ANTHROPOLOGICAL SCIENCE,2019,127(2):109-121.
APA Ortiz, Alejandra.,Zhang, Yingqi.,Jin, Changzhu.,Wang, Yuan.,Zhu, Min.,...&Harrison, Terry.(2019).Morphometric analysis of fossil hylobatid molars from the Pleistocene of southern China.ANTHROPOLOGICAL SCIENCE,127(2),109-121.
MLA Ortiz, Alejandra,et al."Morphometric analysis of fossil hylobatid molars from the Pleistocene of southern China".ANTHROPOLOGICAL SCIENCE 127.2(2019):109-121.
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