Ancestral body plan and adaptive radiation of sauropterygian marine reptiles

doi:10.1016/j.isci.2022.105635

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	Ancestral body plan and adaptive radiation of sauropterygian marine reptiles
	Wang, Wei 1,2,3,4; Shang, Qinghua 1,2; Cheng, Long 5; Wu, Xiao-Chun6 ; Li, Chun1,2
	2022-12-22
发表期刊	ISCIENCE
卷号	25 期号:12 页码:16
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.
DOI	10.1016/j.isci.2022.105635
关键词[WOS]	TRIASSIC STEM-TURTLE ; PHYLOGENY ; EVOLUTION ; DIAPSIDA ; SPECIMEN
收录类别	SCI
语种	英语
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
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000924079500003
出版者	CELL PRESS
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/22306
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.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China 2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China 4.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing, Peoples R China 5.China Geol Survey, Wuhan Ctr, Wuhan, Peoples R China 6.Canadian Museum Nat, Ottawa, ON, Canada
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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