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A micro-CT based study of molar enamel thickness and its distribution pattern in Late MioceneLufengpithecus lufengensisfrom Yunnan in Southwestern China

文献类型：期刊论文

作者Zhang, Li-Zhao3,4,5; Du, Bao-Pu2,5; Gao, Feng1; Zhao, Ling-Xia4,5
刊名HISTORICAL BIOLOGY
出版日期2020-06-28
期号0页码:11
关键词Lufengpithecus lufengensis late Miocene hominoid micro-CT enamel thickness dietary adaptation
ISSN号0891-2963
DOI10.1080/08912963.2020.1782395
英文摘要Molar enamel thickness and distribution pattern inform on the functional and dietary adaptation of extant and fossil primates. However, no systematic analysis of enamel thickness has been conducted onLufengpithecus, a large-bodied fossil hominoid that lived in Southwest China during the late Miocene. In this study, we quantify two-dimensional (2D) enamel thickness and distribution of 68 lightly worn molars ofLufengpithecus(L.)lufengensisusing micro-CT scanning data and compare it with modern humans, extant great apes, and fossil hominoids. The results indicateL. lufengensishas relatively thick enamel. It is slightly thicker than extantPongoand comparable to some thick-enamel fossil pongines, but thinner than modern humans and most fossil hominins. The enamel distribution ofL. lufengensisis distinctively unbalanced with relatively more enamel deposited on the cuspal region than the basal region in the molar crown, different from that found in modern humans and extant great apes. Concerning its palaeoecological and functional adaptations, we suggest that the features of thick-enamel and unbalanced distribution pattern inL. lufengensisis related to its adaptation to tough food and broader diets in a seasonal subtropical habitat.
WOS关键词LATE MIOCENE ; FUNCTIONAL IMPLICATIONS ; DENTAL DEVELOPMENT ; MICROSTRUCTURE ; HOMINOIDS ; PRIMATES ; ECOLOGY ; CRANIUM ; TRENDS ; LUFENG
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41672022] ; National Natural Science Foundation of China[41072016]
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Paleontology
语种英语
WOS记录号WOS:000549533900001
出版者TAYLOR & FRANCIS LTD
源URL[http://119.78.100.205/handle/311034/17795]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Zhao, Ling-Xia
作者单位1.Yunnan Inst Cultural Rel & Archaeol, Dept Paleoanthropol, Kunming, Yunnan, Peoples R China
2.Capital Med Univ, Dept Anat Histol & Embryol, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Li-Zhao,Du, Bao-Pu,Gao, Feng,et al. A micro-CT based study of molar enamel thickness and its distribution pattern in Late MioceneLufengpithecus lufengensisfrom Yunnan in Southwestern China[J]. HISTORICAL BIOLOGY,2020(0):11.
APA Zhang, Li-Zhao,Du, Bao-Pu,Gao, Feng,&Zhao, Ling-Xia.(2020).A micro-CT based study of molar enamel thickness and its distribution pattern in Late MioceneLufengpithecus lufengensisfrom Yunnan in Southwestern China.HISTORICAL BIOLOGY(0),11.
MLA Zhang, Li-Zhao,et al."A micro-CT based study of molar enamel thickness and its distribution pattern in Late MioceneLufengpithecus lufengensisfrom Yunnan in Southwestern China".HISTORICAL BIOLOGY .0(2020):11.

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来源：古脊椎动物与古人类研究所

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