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The oldest-known Lestidae (Odonata) from the late Eocene of Tibet: palaeoclimatic implications
Xia, Guoqing1; Zheng, Daran (郑大燃)2,3,4; Krieg-Jacquier, Regis5; Fan, Qiushuang1; Chen, Yun1; Nel, Andre6
2022-04-01
Source PublicationGEOLOGICAL MAGAZINE
ISSN0016-7568
Volume159Issue:4Pages:511-518
Abstract

Terrestrial fossils from the Palaeogene of Tibet could help us to better understand the past climate and environment in this area. We herein report a new late Eocene non-marine fossil site from southern Nima Basin, central Tibet, SW China, including abundant insects and fishes. These fossils are similar to those from the late Eocene (similar to 39.5-37 Ma) Lunpola-Nima sediment depo-centres in sharing the dominating aquatic bug Aquarius lunpolaensis and cyprinid fishes. Chalcolestes tibetensis sp. nov., the oldest representative of the modern family Lestidae, is described. Lestidae were previously only recorded in Western Europe, and the oldest records were from the uppermost Eocene of France and the UK. The present discovery demonstrates that Lestidae already had a broad distribution during the Eocene and probably originated much earlier. The recent representatives of Chalcolestes occur in the low-altitude ponds or lakes of Western Palaearctic. Together with the other freshwater fossils in this site, this new discovery indicates a humid climate and low altitude for the Nima Basin and nearby basins in the middle part of the Bangong Nujiang suture zone.

Keywordinsecta zygoptera late Eocene Tibet distribution palaeoclimate
DOI10.1017/S0016756821001102
Indexed BySCI
Language英语
WOS KeywordLUNPOLA BASIN ; EVOLUTION ; ZYGOPTERA ; FOSSIL ; QIANGTANG ; PLATEAU ; INSECTA ; RECORD
Funding ProjectNational Natural Science Foundation of China[41972115] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000765919600005
Funding OrganizationNational Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research ; Strategic Priority Research Program of the Chinese Academy of Sciences
PublisherCAMBRIDGE UNIV PRESS
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/40510
Collection中国科学院南京地质古生物研究所
Corresponding AuthorNel, Andre
Affiliation1.Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploit, Chengdu, Peoples R China
2.Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing, Peoples R China
5.Opieodonates, Off Insectes & Leur Environm, Guyancourt, France
6.Univ Antilles, Sorbonne Univ, Museum Natl Hist Nat,CNRS,MNHN,UPMC,EPHE, Inst Systemat,Evolut,Biodiversite,ISYEB UMR 7205, Paris, France
Recommended Citation
GB/T 7714
Xia, Guoqing,Zheng, Daran ,Krieg-Jacquier, Regis,et al. The oldest-known Lestidae (Odonata) from the late Eocene of Tibet: palaeoclimatic implications[J]. GEOLOGICAL MAGAZINE,2022,159(4):511-518.
APA Xia, Guoqing,Zheng, Daran ,Krieg-Jacquier, Regis,Fan, Qiushuang,Chen, Yun,&Nel, Andre.(2022).The oldest-known Lestidae (Odonata) from the late Eocene of Tibet: palaeoclimatic implications.GEOLOGICAL MAGAZINE,159(4),511-518.
MLA Xia, Guoqing,et al."The oldest-known Lestidae (Odonata) from the late Eocene of Tibet: palaeoclimatic implications".GEOLOGICAL MAGAZINE 159.4(2022):511-518.
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