A Ceratopsian dinosaur from China and the early evolution of Ceratopsia

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	A Ceratopsian dinosaur from China and the early evolution of Ceratopsia
	Xu, X(徐星); Makovicky, PJ; Wang, XL(汪筱林); Norell, MA; You, HL(尤海鲁); Xu, X (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China.
	2002
发表期刊	NATURE
ISSN	0028-0836
卷号	416 期号:6878 页码:314—317
摘要	Ceratopsians (horned dinosaurs) represent one of the last and the most diverse radiations of non-avian dinosaurs(1-4). Although recent systematic work unanimously supports a basal division of Ceratopsia into parrot-like psittacosaurids and frilled neoceratopsians, the early evolution of the group remains poorly understood, mainly owing to its incomplete early fossil record. Here we describe a primitive ceratopsian from China. Cladistic analysis posits this new species as the most basal neoceratopsian. This new taxon demonstrates that some neoceratopsian characters evolved in a more incremental fashion than previously known and also implies mosaic evolution of characters early in ceratopsian history.
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文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3797
专题	中科院古脊椎所（2000年以后）
通讯作者	Xu, X (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China.
推荐引用方式 GB/T 7714	Xu, X,Makovicky, PJ,Wang, XL,et al. A Ceratopsian dinosaur from China and the early evolution of Ceratopsia[J]. NATURE,2002,416(6878):314—317.
APA	Xu, X,Makovicky, PJ,Wang, XL,Norell, MA,You, HL,&Xu, X .(2002).A Ceratopsian dinosaur from China and the early evolution of Ceratopsia.NATURE,416(6878),314—317.
MLA	Xu, X,et al."A Ceratopsian dinosaur from China and the early evolution of Ceratopsia".NATURE 416.6878(2002):314—317.

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