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Ancestral body plan and adaptive radiation of sauropterygian marine reptiles

文献类型：期刊论文

作者Wang, Wei3,4,5,6; Shang, Qinghua5,6; Cheng, Long2; Wu, Xiao-Chun1; Li, Chun5,6
刊名ISCIENCE
出版日期2022-12-22
卷号25期号:12页码:16
DOI10.1016/j.isci.2022.105635
通讯作者Li, Chun(lichun@ivop.ac.cn)
英文摘要Sauropterygia is the most diversified and dominant clade among marine reptiles, but their early evolution is scarcely understood. Here we report the earliest known complete specimen related to sauropterygians from the Early Triassic. It is referred to Hanosaurus hupehensis by an exclusive combination of features and shows mosaic morphology integrating the characters of multiple sauropterygian sub-lineages. In phylogenetic results from both parsimony and Bayesian analyses employing our reconstructed dataset, Hanosaurus is stably resolved as the basal-most member of Sauropterygiformes, a clade comprising all sauropterygians and saurosphargids. This skeleton reveals an unexpected ancestral body plan for sauropterygiforms with an elongate trunk and four short limbs, differing from many of its immediate descendants but more similar to non-sauropterygiform marine reptiles at their early aquatic stage as axial swimmers. After this convergence on body plan, we quantitatively confirm the rapid divergence of sauropterygiform reptiles following the end-Permian mass extinction.
WOS关键词TRIASSIC STEM-TURTLE ; PHYLOGENY ; EVOLUTION ; DIAPSIDA ; SPECIMEN
资助项目Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China[42002019] ; National Natural Science Foundation of China[41972014] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[20203119] ; Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences[LVEH020001]
WOS研究方向Science & Technology - Other Topics
语种英语
出版者CELL PRESS
WOS记录号WOS:000924079500003
资助机构Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences
源URL[http://119.78.100.205/handle/311034/22305]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Li, Chun
作者单位1.Canadian Museum Nat, Ottawa, ON, Canada
2.China Geol Survey, Wuhan Ctr, Wuhan, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Wei,Shang, Qinghua,Cheng, Long,et al. Ancestral body plan and adaptive radiation of sauropterygian marine reptiles[J]. ISCIENCE,2022,25(12):16.
APA Wang, Wei,Shang, Qinghua,Cheng, Long,Wu, Xiao-Chun,&Li, Chun.(2022).Ancestral body plan and adaptive radiation of sauropterygian marine reptiles.ISCIENCE,25(12),16.
MLA Wang, Wei,et al."Ancestral body plan and adaptive radiation of sauropterygian marine reptiles".ISCIENCE 25.12(2022):16.

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来源：古脊椎动物与古人类研究所

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