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Podocarpium (Fabaceae) from the late Eocene of central Tibetan Plateau and its biogeographic implication
Li, Wei-Cheng1,2; Huang, Jian1,2; Chen, Lin-Lin1; Spicer, Robert A.1,3,6; Li, Shu-Feng1,2; Liu, Jia1,2; Gao, Yi1; Wu, Fei-Xiang4; Farnsworth, Alex5; Valdes, Paul J.5; Zhou, Zhe-Kun1; Su, Tao1,2,6
2022-10-01
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
卷号305页码:9
通讯作者Li, Wei-Cheng() ; Huang, Jian(huangjian@xtbg.ac.cn) ; Su, Tao(sutao@xtbg.org.cn)
摘要Podocarpium is an extinct genus in Fabaceae with rich fossil records in Eurasia dating back to the Eocene. However, the diversification and biogeographic histories of Podocarpium are poorly known due to a lack of fossils in some key regions, such as the Tibetan Plateau, an area recently shown to be crucial for floristic exchanges worldwide in the geological past. Here, we describe well-preserved fossil pods of Podocarpium from the late Eocene (similar to 35 Ma) of the Lunpola Basin, central Tibetan Plateau, China. Together with detailed morphological observation and geometric morphology analysis, these fossil pods are named Podocarpium tibeticum W.-C. Li, J. Huang et T. Su sp. nov., characterized by asymmetrical elliptical valves, olecranon fruit beak, and a clearly oblique base. This material comprises the oldest fossil record of Podocarpium from the Tibetan Plateau and adjacent regions. The discovery of P. tibeticum shows Podocarpium was present in central Tibet by the late Eocene. Together with previous fossil records, it indicates that Podocarpium may have originated in East Asia, migrated into the central valley of Tibet in the late Eocene, and then spread westward to Europe through a low-latitude path of island chains along the Neotethys. Results of paleoecological niche modeling demonstrate that Podocarpium had an almost worldwide potential distribution range in the Eocene, but this sharply contracted thereafter until by the Pliocene it was restricted to a small area of East Asia. Generally, this finding further supports the idea that what is now the central Tibetan Plateau was a globally significant hub for Paleogene floristic exchange. (c) 2022 Published by Elsevier B.V.
关键词Fabaceae Eocene Podocarpium Biogeography Lunpola Basin
DOI10.1016/j.revpalbo.2022.104745
关键词[WOS]LUNPOLA BASIN ; GEOMETRIC MORPHOMETRICS ; OLIGOCENE ; CLIMATE ; MIOCENE ; HISTORY ; FOSSILS ; MODELS ; CHINA ; OCEAN
收录类别SCI
语种英语
资助项目Institute of Vertebrate Paleontology and Pa-leoanthropology, CAS ; Public Technology Service Center, Xishuangbanna Tropical Botanical Garden, CAS ; Strategic Priority Research Program of CAS[XDB26000000] ; Strategic Priority Research Program of CAS[XDA20070301] ; National Natural Science Foundation of China[41922010] ; National Natural Science Foundation of China[41988101-01] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0705] ; Youth Innovation Promotion Association, CAS[Y2021105] ; Yun-nan Basic Research Projects[2019FB026] ; Yun-nan Basic Research Projects[YNWR-QNBJ-2019-086]
项目资助者Institute of Vertebrate Paleontology and Pa-leoanthropology, CAS ; Public Technology Service Center, Xishuangbanna Tropical Botanical Garden, CAS ; Strategic Priority Research Program of CAS ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research ; Youth Innovation Promotion Association, CAS ; Yun-nan Basic Research Projects
WOS研究方向Plant Sciences ; Paleontology
WOS类目Plant Sciences ; Paleontology
WOS记录号WOS:000926370700001
出版者ELSEVIER
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/22330
专题中国科学院古脊椎动物与古人类研究所
通讯作者Li, Wei-Cheng; Huang, Jian; Su, Tao
作者单位1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Open Univ, Sch Environm Earth & Ecosyst Sci, Milton Keynes MK7 6AA, England
4.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
5.Univ Bristol, Sch Geog Sci, Bristol, England
6.Chinese Acad Sci, Inst Tibetan Plateau Res, State Key Lab Tibetan Plateau Earth Syst Resources, Beijing 100101, Peoples R China
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GB/T 7714
Li, Wei-Cheng,Huang, Jian,Chen, Lin-Lin,et al. Podocarpium (Fabaceae) from the late Eocene of central Tibetan Plateau and its biogeographic implication[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2022,305:9.
APA Li, Wei-Cheng.,Huang, Jian.,Chen, Lin-Lin.,Spicer, Robert A..,Li, Shu-Feng.,...&Su, Tao.(2022).Podocarpium (Fabaceae) from the late Eocene of central Tibetan Plateau and its biogeographic implication.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,305,9.
MLA Li, Wei-Cheng,et al."Podocarpium (Fabaceae) from the late Eocene of central Tibetan Plateau and its biogeographic implication".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 305(2022):9.
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