Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion

doi:10.7717/peerj.7324

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	Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion
	Slowiak, Justyna 1; Tereshchenko, Victor S.2; Fostowicz-Frelik, Lucja 1,3
刊名	PEERJ
	2019-07-22
卷号	7 期号:0 页码:43
关键词	Ceratopsian dinosaurs Limb morphology Locomotion Ornithischia Ontogeny Stance
ISSN号	2167-8359
DOI	10.7717/peerj.7324
英文摘要	Protoceratops andrewsi is a well-known ceratopsian dinosaur from the Djadokhta Formation (Upper Cretaceous, Mongolia). Since the 1920s, numerous skeletons of different ontogenetic stages from hatchlings to adults, including fully articulated specimens, have been discovered, but the postcranial anatomy of Protoceratops has not been studied in detail. A new, mostly articulated subadult individual provides an excellent opportunity for us to comprehensively describe the anatomy of the limb skeleton, to compare to other ceratopsian dinosaurs, and to study the ontogenetic and intraspecific variation in this species. New data provided by the specimen shed light on the lifestyle of P. andrewsi. The young subadult individuals present an array of morphological characters intermediate between the bipedal Psittacosaurus and fully quadrupedal adult P. andrewsi. We compare these observations with a broad range of non-ceratopsid Neoceratopsia (of various locomotor adaptations) and Psittacosauridae (obligate bipeds), which gives us insight into the evolution of the skeletal characters informative for the postural change in ceratopsian dinosaurs.
资助项目	Russian Foundation for Basic Research[16-05-00408] ; University of Warsaw
WOS关键词	EVOLUTION ; NEOCERATOPSIA ; CONVERGENCE ; TAPHONOMY ; FEATURES ; ANATOMY ; GROWTH
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	PEERJ INC
WOS记录号	WOS:000476709100008
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/9977]
专题	古脊椎动物与古人类研究所_图书馆1
通讯作者	Fostowicz-Frelik, Lucja
作者单位	1.Polish Acad Sci, Inst Paleobiol, Dept Evolutionary Paleobiol, Warsaw, Poland 2.Russian Acad Sci, Paleontol Inst, Lab Paleoherpetol, Moscow, Russia 3.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	Slowiak, Justyna,Tereshchenko, Victor S.,Fostowicz-Frelik, Lucja. Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion[J]. PEERJ,2019,7(0):43.
APA	Slowiak, Justyna,Tereshchenko, Victor S.,&Fostowicz-Frelik, Lucja.(2019).Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion.PEERJ,7(0),43.
MLA	Slowiak, Justyna,et al."Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion".PEERJ 7.0(2019):43.