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Dental shape evolution of the giant panda (Ailuropoda, Ursidae) during the Quaternary
Jiangzuo, Qigao1,6; Huang, Zien2; Yu, Chonghan3; Tong, Haowen1; Zhang, Bei4; Hu, Haiqian1; Wang, Deyuan5; Wang, Shiqi1; Liu, Jinyi1,6
2024-03-08
发表期刊HISTORICAL BIOLOGY (IF:1.249[JCR-2017],1.327[5-Year])
ISSN0891-2963
页码7
通讯作者Jiangzuo, Qigao(jiangzuo@ivpp.ac.cn) ; Liu, Jinyi(liujinyi@ivpp.ac.cn)
摘要The giant panda is well known to have unique dentition, adapted to bamboo exclusive diet. The teeth are used to cut and grind the bamboo. However, it is unclear how these teeth evolved through geographical time. Here, we present the first geometric morphometric analysis of all cheek teeth of the giant panda, based on the large fossil collection of the giant panda teeth found from the Pleistocene deposits of southern China. Our analyses reveal the substantial intraspecific variation of the giant panda teeth, but no significant interspecific differences in Ailuropoda, supporting the basic function of the giant panda teeth has already formed since the Early Pleistocene. Among the cheek teeth, the premolars show the highest interspecific variation, suggesting a continuous increase in the feeding efficiency of the bamboo diet, which may facilitate the giant panda to grow a larger body size from Early Pleistocene species to A. melanoleuca. The Late Pleistocene A. m. baconi and two modern two subspecies show largely overlapped morphospace for all teeth, and the variation ranges are also similar, suggesting a fully established feeding apparatus and implying a similar diet. Our analyses provide new information on the giant panda evolution and adaptation.
关键词Ailuropoda microta Ailuropoda wulingshanensis Ailuropoda melanoleuca baconi Gigantopithecus Cave Pleistocene geometric morphometry
DOI10.1080/08912963.2024.2324446
收录类别SCI
语种英语
资助项目National Key Research and Development Program of China ; Second Comprehensive Scientific Expedition on the Tibetan Plateau
项目资助者National Key Research and Development Program of China ; Second Comprehensive Scientific Expedition on the Tibetan Plateau
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Paleontology
WOS类目Biology ; Paleontology
WOS记录号WOS:001180811200001
出版者TAYLOR & FRANCIS LTD
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文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/23442
专题中国科学院古脊椎动物与古人类研究所
通讯作者Jiangzuo, Qigao; Liu, Jinyi
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China
2.Beijing Normal Univ, Expt High Sch Attached, Int Dept, Beijing, Peoples R China
3.China Univ Geosci, Sch Ocean Sci, Beijing, Peoples R China
4.Natl Nat Hist Museum China, Beijing, Peoples R China
5.Guizhou Inst Mt Resources, Guiyang, Peoples R China
6.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 10044, Peoples R China
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Jiangzuo, Qigao,Huang, Zien,Yu, Chonghan,et al. Dental shape evolution of the giant panda (Ailuropoda, Ursidae) during the Quaternary[J]. HISTORICAL BIOLOGY,2024:7.
APA Jiangzuo, Qigao.,Huang, Zien.,Yu, Chonghan.,Tong, Haowen.,Zhang, Bei.,...&Liu, Jinyi.(2024).Dental shape evolution of the giant panda (Ailuropoda, Ursidae) during the Quaternary.HISTORICAL BIOLOGY,7.
MLA Jiangzuo, Qigao,et al."Dental shape evolution of the giant panda (Ailuropoda, Ursidae) during the Quaternary".HISTORICAL BIOLOGY (2024):7.
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