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Reassessment of 'Gyposaurus' sinensis Young, 1941 (Dinosauria: Sauropodomorpha) from the Early Jurassic Lufeng Basin, Yunnan Province, China

文献类型：期刊论文

作者Wang, Ya-Ming3; Zhao, Qi1,2; You, Hai-Lu1,2
刊名ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
出版日期2024-03-21
页码31
关键词'Gyposaurus' sinensis Early Jurassic Lufeng Formation Yunnan Province Sauropodomorpha immature
ISSN号0024-4082
DOI10.1093/zoolinnean/zlae032
通讯作者Wang, Ya-Ming(yaming21@hotmail.com)
英文摘要The Early Jurassic Lufeng Formation of Yunnan Province, southwestern China, has yielded a rich assemblage of early-branching sauropodomorphs. The syntype series of 'Gyposaurus' sinensis Young, 1941, represented by two skeletons from the Shawan Member of this formation, was the second-earliest named taxon after Lufengosaurus huenei Young, 1941. However, its taxonomic status has been debated ever since, owing to the invalidity of the genus 'Gyposaurus'. Here, we provide a detailed redescription of the remaining syntype specimens of 'Gyposaurus' sinensis, including V26 and V27, which comprise almost complete postcranial skeletons. Both the unfused vertebrae and the osteohistology of the syntype specimens suggest that they are immature individuals. The morphology of the skeletons, especially that of the scapula, humerus, ilium, and femur of 'Gyposaurus' sinensis, is more similar to that of Lufengosaurus huenei than to that of other non-sauropodan sauropodomorphs. A phylogenetic analysis, in which 'Gyposaurus' sinensis and Lufengosaurus huenei were included as separate terminal taxa, recovered 'Gyposaurus' sinensis as part of a polytomy with Lufengosaurus huenei and Glacialisaurus, also indicating a close relationship between these taxa. Therefore, we suggest that 'Gyposaurus' sinensis is probably referable to a junior synonym of Lufengosaurus huenei.
WOS关键词MUSSAURUS-PATAGONICUS DINOSAURIA ; PHYLOGENETIC-RELATIONSHIPS ; POSTCRANIAL ANATOMY ; JUVENILE SPECIMEN ; PROSAUROPODA ; OSTEOLOGY ; EVOLUTION ; GROWTH ; SKULL
资助项目National Natural Science Foundation of China[42002014] ; National Natural Science Foundation of China[42288201] ; National Natural Science Foundation of China[42372030] ; National Natural Science Foundation of China[42072008] ; National Natural Science Foundation of China[42272020] ; Beijing Natural Science Foundation[5224037]
WOS研究方向Zoology
语种英语
WOS记录号WOS:001188403900001
出版者OXFORD UNIV PRESS
资助机构National Natural Science Foundation of China ; Beijing Natural Science Foundation
源URL[http://119.78.100.205/handle/311034/23456]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Wang, Ya-Ming
作者单位1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
3.Geol Museum China, Beijing 100034, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Ya-Ming,Zhao, Qi,You, Hai-Lu. Reassessment of 'Gyposaurus' sinensis Young, 1941 (Dinosauria: Sauropodomorpha) from the Early Jurassic Lufeng Basin, Yunnan Province, China[J]. ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,2024:31.
APA Wang, Ya-Ming,Zhao, Qi,&You, Hai-Lu.(2024).Reassessment of 'Gyposaurus' sinensis Young, 1941 (Dinosauria: Sauropodomorpha) from the Early Jurassic Lufeng Basin, Yunnan Province, China.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,31.
MLA Wang, Ya-Ming,et al."Reassessment of 'Gyposaurus' sinensis Young, 1941 (Dinosauria: Sauropodomorpha) from the Early Jurassic Lufeng Basin, Yunnan Province, China".ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY (2024):31.

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来源：古脊椎动物与古人类研究所

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