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New remains of Ailuropoda melanoleuca baconi from Yanjinggou, China: Throwing light on the evolution of giant pandas during the Pleistocene

文献类型：期刊论文

作者Hu, Haiqian4,5,6,7,8; Tong, Haowen4,8; Shao, Qingfeng3; Wei, Guangbiao2; Yu, Haidong6; Shi, Jingsong4,5,8; Wang, Xunqian5,6; Xiong, Can5,6; Lin, Yu5,6; Li, Ning5,6
刊名JOURNAL OF MAMMALIAN EVOLUTION
出版日期2022-12-08
页码18
关键词Ailuropoda melanoleuca baconi Intraspecific variations Evolutionary tendency Ontogeny Yanjinggou fauna Pleistocene
ISSN号1064-7554
DOI10.1007/s10914-022-09637-1
通讯作者Hu, Haiqian(hutiande123@126.com) ; Jiangzuo, Qigao(jiangzuo@ivpp.ac.cn)
英文摘要The giant panda, currently restricted to a small region of central China, was once widely dispersed throughout southern China and even some parts of continental Southeast Asia during the Pleistocene epoch. However, the evolutionary process and intraspecific variation remain poorly understood in light of limited fossil records, which are usually isolated teeth and a few fragmentary skulls and mandibles. Here we report three skulls, two of which are nearly complete, of Ailuropoda melanoleuca baconi from Yanjinggou in China, which represent the best-preserved skull material ever recorded for this paleosubspecies. A. m. baconi, characterized by a large and robust body, extremely developed zygomatic arches, a moderately developed sagittal crest, and a medium-rough external surface of the supraoccipital, exoccipital, and ascending ramus compared with Ailuropoda microta and other paleosubspecies and living subspecies of A. melanoleuca, can be regarded as a valid paleosubspecies. Ailuropoda fovealis or Ailuropoda melanoleuca fovealis turns out to be a synonym of A. m. baconi. The intraspecific variation of A. m. baconi is far more complicated than generally accepted. Based on comparisons with A. microta, A. m. wulingshanensis, and modern Ailuropoda melanoleuca, we propose that the evolutionary tendency of the skull appears to be much clearer than that of the teeth and that the increase in body size and the enhancement of the masticatory system can be deemed as the main evolutionary changes in this part of the Ailuropoda lineage. Meanwhile, our study for the first time provides a numerical age (ca. 0.35-0.26 Ma) for the Yanjinggou fauna, which is generally considered as a mixture of the middle Early Pleistocene fauna and the Mid-Late Pleistocene fauna.
WOS关键词MAMMALIAN FOSSILS ; SKULL
资助项目Chongqing Planning and Natural Resources Bureau[KJ2020036] ; National Natural Science Foundation of China[41877430]
WOS研究方向Evolutionary Biology ; Zoology
语种英语
WOS记录号WOS:000895599300001
出版者SPRINGER
资助机构Chongqing Planning and Natural Resources Bureau ; National Natural Science Foundation of China
源URL[http://119.78.100.205/handle/311034/22119]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Hu, Haiqian; Jiangzuo, Qigao
作者单位1.Peking Univ, Sch Earth & Space Sci, Beijing 100080, Peoples R China
2.Chongqing Inst Geol Survey, Chongqing 401122, Peoples R China
3.Nanjing Normal Univ, Sch Geog, Speleothem Isotope Lab, Nanjing, Peoples R China
4.CAS Ctr Excellence Life & Paleoenvironment, Beijing 100044, Peoples R China
5.Chongqing Bur Geol & Mineral Resource Explorat & D, Hydrogeol & Engn Geol Team 208, Chongqing 400700, Peoples R China
6.Chongqing Bur Geol & Mineral Resource Explorat & D, Chongqing Key Lab Paleontol & Paleoenvironment Coe, Chongqing 400700, Peoples R China
7.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
8.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		 Hu, Haiqian,Tong, Haowen,Shao, Qingfeng,et al. New remains of Ailuropoda melanoleuca baconi from Yanjinggou, China: Throwing light on the evolution of giant pandas during the Pleistocene[J]. JOURNAL OF MAMMALIAN EVOLUTION,2022:18.
APA Hu, Haiqian.,Tong, Haowen.,Shao, Qingfeng.,Wei, Guangbiao.,Yu, Haidong.,...&Jiangzuo, Qigao.(2022).New remains of Ailuropoda melanoleuca baconi from Yanjinggou, China: Throwing light on the evolution of giant pandas during the Pleistocene.JOURNAL OF MAMMALIAN EVOLUTION,18.
MLA Hu, Haiqian,et al."New remains of Ailuropoda melanoleuca baconi from Yanjinggou, China: Throwing light on the evolution of giant pandas during the Pleistocene".JOURNAL OF MAMMALIAN EVOLUTION (2022):18.

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