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A new caenagnathid dinosaur from the Upper Cretaceous Wangshi Group of Shandong, China, with comments on size variation among oviraptorosaurs

文献类型：期刊论文

作者Yu, Yilun1; Wang, Kebai2; Chen, Shuqing2; Sullivan, Corwin3,4; Wang, Shuo5,6; Wang, Peiye2; Xu, Xing7
刊名SCIENTIFIC REPORTS
出版日期2018-03-22
卷号8
ISSN号2045-2322
DOI10.1038/s41598-018-23252-2
文献子类Article
英文摘要The bone-beds of the Upper Cretaceous Wangshi Group in Zhucheng, Shandong, China are rich in fossil remains of the gigantic hadrosaurid Shantungosaurus. Here we report a new oviraptorosaur, Anomalipes zhaoi gen. et sp. nov., based on a recently collected specimen comprising a partial left hindlimb from the Kugou Locality in Zhucheng. This specimen's systematic position was assessed by three numerical cladistic analyses based on recently published theropod phylogenetic datasets, with the inclusion of several new characters. Anomalipes zhaoi differs from other known caenagnathids in having a unique combination of features: femoral head anteroposteriorly narrow and with significant posterior orientation; accessory trochanter low and confluent with lesser trochanter; lateral ridge present on femoral lateral surface; weak fourth trochanter present; metatarsal III with triangular proximal articular surface, prominent anterior flange near proximal end, highly asymmetrical hemicondyles, and longitudinal groove on distal articular surface; and ungual of pedal digit II with lateral collateral groove deeper and more dorsally located than medial groove. The holotype of Anomalipes zhaoi is smaller than is typical for Caenagnathidae but larger than is typical for the other major oviraptorosaurian subclade, Oviraptoridae. Size comparisons among oviraptorisaurians show that the Caenagnathidae vary much more widely in size than the Oviraptoridae.
WOS关键词THEROPODA ; EVOLUTION ; OSTEOLOGY ; MONGOLIA ; ALBERTA ; CANADA
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000428032800002
出版者NATURE PUBLISHING GROUP
资助机构National Natural Science Foundation of China(41688103 ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB18030504) ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences(173125) ; Natural Sciences and Engineering Research Council of Canada(RGPIN-2017-06246) ; University of Alberta ; 91514302 ; 41120124002 ; 41602013)
源URL[http://119.78.100.205/handle/311034/8745]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Xu, Xing
作者单位1.Peking Univ, Yuan Pei Coll, Beijing, Peoples R China
2.Zhucheng Dinosaur Museum, Zhucheng, Shandong, Peoples R China
3.Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada
4.Philip J Currie Dinosaur Museum, Wembley, AB T0H 3S0, Canada
5.Capital Normal Univ, Coll Life Sci, Lab Vertebrate Evolut, Beijing 100048, Peoples R China
6.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
7.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		 Yu, Yilun,Wang, Kebai,Chen, Shuqing,et al. A new caenagnathid dinosaur from the Upper Cretaceous Wangshi Group of Shandong, China, with comments on size variation among oviraptorosaurs[J]. SCIENTIFIC REPORTS,2018,8.
APA Yu, Yilun.,Wang, Kebai.,Chen, Shuqing.,Sullivan, Corwin.,Wang, Shuo.,...&Xu, Xing.(2018).A new caenagnathid dinosaur from the Upper Cretaceous Wangshi Group of Shandong, China, with comments on size variation among oviraptorosaurs.SCIENTIFIC REPORTS,8.
MLA Yu, Yilun,et al."A new caenagnathid dinosaur from the Upper Cretaceous Wangshi Group of Shandong, China, with comments on size variation among oviraptorosaurs".SCIENTIFIC REPORTS 8(2018).

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来源：古脊椎动物与古人类研究所

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