中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria)

文献类型:期刊论文

作者Liao, Chun-Chi3,4,5; Zanno, Lindsay E.1,2; Wang, Shiying3,4,5; Xu, Xing4,5
刊名PLOS ONE
出版日期2021-09-30
卷号16期号:9页码:28
ISSN号1932-6203
DOI10.1371/journal.pone.0257913
通讯作者Xu, Xing(xu.xing@ivpp.ac.cn)
英文摘要Beipiaosaurus inexpectus, from the Lower Cretaceous Yixian Formation (Sihetun locality, near Beipiao), Liaoning, China, is a key taxon for understanding the early evolution of therizinosaurians. Since initial publication in 1999, only the cranial elements of this taxon have been described in detail. Here we present a detailed description of the postcranial skeletal anatomy of the holotype specimen of B. inexpectus, including two never before described dorsal vertebrae from the anterior half of the series. Based on these observations, and comparisons with the postcranial skeleton of therizinosaurian taxa named since the most recent diagnosis, we revised the diagnostic features for B. inexpectus adding three new possible autapomorphies (PII-3 shorter than PIII-4, subequal length of the pre- and postacetabular portions of the ilium, and equidimensional pubic peduncle of ilium). Additionally, we also propose three possible synapomorphies for more inclusive taxa (Therizinosauroidea and Therizinosauridae) and discuss implications for evolutionary trends within Therizinosauria. The newly acquired data from the postcranial osteology of the holotype specimen of B. inexpectus sheds light on our understanding of postcranial skeletal evolution and identification of therizinosaurians.
WOS关键词YIXIAN FORMATION ; DINOSAUR ; AFFINITIES ; MONGOLIA ; YUNNAN ; CHINA
资助项目National Natural Science Foundation of China[41688103] ; University of Chinese Academy of Sciences (UCAS)
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000743903000053
出版者PUBLIC LIBRARY SCIENCE
资助机构National Natural Science Foundation of China ; University of Chinese Academy of Sciences (UCAS)
源URL[http://119.78.100.205/handle/311034/19282]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Xu, Xing
作者单位1.North Carolina State Univ, Dept Biol Sci, Raleigh, NC USA
2.North Carolina Museum Nat Sci, Paleontol, Raleigh, NC USA
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
5.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Liao, Chun-Chi,Zanno, Lindsay E.,Wang, Shiying,et al. Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria)[J]. PLOS ONE,2021,16(9):28.
APA Liao, Chun-Chi,Zanno, Lindsay E.,Wang, Shiying,&Xu, Xing.(2021).Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria).PLOS ONE,16(9),28.
MLA Liao, Chun-Chi,et al."Postcranial osteology of Beipiaosaurus inexpectus (Theropoda: Therizinosauria)".PLOS ONE 16.9(2021):28.

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来源:古脊椎动物与古人类研究所

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