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A new caenagnathid dinosaur from the Upper Cretaceous Wangshi Group of Shandong, China, with comments on size variation among oviraptorosaurs
Yu, Yilun1; Wang, Kebai2; Chen, Shuqing2; Sullivan, Corwin3,4; Wang, Shuo5,6; Wang, Peiye2; Xu, Xing7
2018-03-22
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号8页码:10
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.

DOI10.1038/s41598-018-23252-2
语种英语
关键词[WOS]Theropoda ; Evolution ; Osteology ; Mongolia ; Alberta ; Canada
资助项目National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[91514302] ; National Natural Science Foundation of China[41120124002] ; National Natural Science Foundation of China[41602013] ; 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
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000428032800002
项目资助者National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences ; Natural Sciences and Engineering Research Council of Canada ; University of Alberta
出版者NATURE PUBLISHING GROUP
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/18868
专题中国科学院南京地质古生物研究所
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,2018,8:10.
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,8,10.
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):10.
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