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  2. 地质与地球物理研究所
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  4. 岩石圈演化国家重点实验室
A new long-necked archosauromorph from the Guanling Formation (Anisian, Middle Triassic) of southwestern China and its implications for neck evolution in tanystropheids

文献类型：期刊论文

作者Wang, Wei1,6; Spiekman, Stephan N. F.2,7; Zhao, Lijun3; Rieppel, Olivier4; Scheyer, Torsten M.2; Fraser, Nicholas C.5; Li, Chun6
刊名ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY
出版日期2023-04-07
页码15
ISSN号1932-8486
关键词Archosauromorpha Dinocephalosauridae fossil marine reptile neck evolution South China Tanystropheidae Triassic vertebral column
DOI10.1002/ar.25216
英文摘要A long neck is an evolutionary innovation convergently appearing in multiple tetrapod lineages, including groups of plesiosaurs, non-archosauriform archosauromorphs, turtles, sauropodomorphs, birds, and mammals. Among all tetrapods both extant and extinct, two Triassic archosauromorphs, Tanystropheus and Dinocephalosaurus, have necks that are particularly elongated relative to the lengths of their trunks. However, the evolutionary history of such hyper-elongated necks in these two archosauromorph clades remains unknown, partially because known close relatives such as Macrocnemus and Pectodens possess only moderately elongated necks. Here, we describe a newly discovered early diverging archosauromorph, Gracilicollum latens gen. et sp. nov., based on a specimen comprising a partial neck and an incompletely preserved skull. The long neck is composed of at least 18 cervical vertebrae. The dentition suggests that this new taxon most likely represents an aquatic piscivore, similar to Dinocephalosaurus and Tanystropheus hydroides. Despite possessing a high number of cervical vertebrae, Gracilicollum gen. nov. is recovered as a tanystropheid in an evolutionary grade between Macrocnemus and Tanystropheus rather than as a close relative of Dinocephalosaurus, a result that is primarily attributable to the presence of palatal teeth and the anatomy of the cervical vertebrae in Gracilicollum gen. nov. Considering the information provided by the new specimen, we provide a detailed discussion of the cervical evolution in dinocephalosaurids and tanystropheids, which is shown to be highly complex and mosaic in nature.
WOS关键词REPTILE ; PROTOROSAUR ; GUIZHOU ; AGE
资助项目Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China[205321_162775] ; Swiss National Science Foundation[XDB26000000] ; Chinese Academy of Sciences ; [42002019]
WOS研究方向Anatomy & Morphology
语种英语
出版者WILEY
WOS记录号WOS:000985666300001
资助机构Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Swiss National Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/110932]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Li, Chun
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Zurich, Dept Palaeontol, Karl Schmid Str 4, CH-8006 Zurich, Switzerland
3.Zhejiang Museum Nat Hist, Hangzhou 310014, Peoples R China
4.Field Museum, Dept Geol, 1400 S Lake Shore Dr, Chicago, IL 60605 USA
5.Natl Museums Scotland, Chambers St, Edinburgh EH1 1JF, Scotland
6.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, CAS Ctr Excellence Life & Paleoenvironm, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
7.Staatl Museum Naturkunde Stuttgart, Rosenstein 1, D-70191 Stuttgart, Germany
推荐引用方式
GB/T 7714		 Wang, Wei,Spiekman, Stephan N. F.,Zhao, Lijun,et al. A new long-necked archosauromorph from the Guanling Formation (Anisian, Middle Triassic) of southwestern China and its implications for neck evolution in tanystropheids[J]. ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,2023:15.
APA Wang, Wei.,Spiekman, Stephan N. F..,Zhao, Lijun.,Rieppel, Olivier.,Scheyer, Torsten M..,...&Li, Chun.(2023).A new long-necked archosauromorph from the Guanling Formation (Anisian, Middle Triassic) of southwestern China and its implications for neck evolution in tanystropheids.ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,15.
MLA Wang, Wei,et al."A new long-necked archosauromorph from the Guanling Formation (Anisian, Middle Triassic) of southwestern China and its implications for neck evolution in tanystropheids".ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY (2023):15.

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来源：地质与地球物理研究所

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