A new troodontid dinosaur from China with avian-like sleeping posture

IVPP-IR > 中科院古脊椎所（2000年以后）

	A new troodontid dinosaur from China with avian-like sleeping posture
	Xu, X; Norell, MA ; Xu, X (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
	2004-10-14
发表期刊	NATURE
ISSN	0028-0836
卷号	431 期号:7010 页码:838-841
文章类型	Article
摘要	Discovering evidence of behaviour in fossilized vertebrates is rare. Even rarer is evidence of behaviour in non-avialan dinosaurs that directly relates to stereotypical behaviour seen in extant birds (avians) and not previously predicted in non-avialan dinosaurs(1,2). Here we report the discovery of a new troodontid taxon from the Early Cretaceous Yixian Formation of western Liaoning, China. Numerous other three-dimensionally preserved vertebrate fossils have been recovered recently at this locality, including some specimens preserving behavioural information(3). The new troodontid preserves several features that have been implicated in avialan origins. Notably, the specimen is preserved in the stereotypical sleeping or resting posture found in extant Aves(4). Evidence of this behaviour outside of the crown group Aves further demonstrates that many bird features occurred early in dinosaurian evolution(5,6).; Discovering evidence of behaviour in fossilized vertebrates is rare. Even rarer is evidence of behaviour in non-avialan dinosaurs that directly relates to stereotypical behaviour seen in extant birds (avians) and not previously predicted in non-avialan dinosaurs(1,2). Here we report the discovery of a new troodontid taxon from the Early Cretaceous Yixian Formation of western Liaoning, China. Numerous other three-dimensionally preserved vertebrate fossils have been recovered recently at this locality, including some specimens preserving behavioural information(3). The new troodontid preserves several features that have been implicated in avialan origins. Notably, the specimen is preserved in the stereotypical sleeping or resting posture found in extant Aves(4). Evidence of this behaviour outside of the crown group Aves further demonstrates that many bird features occurred early in dinosaurian evolution(5,6).
WOS标题词	Science & Technology
URL	查看原文
关键词[WOS]	REPUBLIC-OF-CHINA ; EVOLUTION ; MONGOLIA ; THEROPODA ; BASIN ; SKULL
收录类别	SCI
语种	英语
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000224435500045
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3611
专题	中科院古脊椎所（2000年以后）古低等脊椎动物研究室
通讯作者	Xu, X (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Amer Museum Nat Hist, New York, NY 10024 USA
推荐引用方式 GB/T 7714	Xu, X,Norell, MA,Xu, X . A new troodontid dinosaur from China with avian-like sleeping posture[J]. NATURE,2004,431(7010):838-841.
APA	Xu, X,Norell, MA,&Xu, X .(2004).A new troodontid dinosaur from China with avian-like sleeping posture.NATURE,431(7010),838-841.
MLA	Xu, X,et al."A new troodontid dinosaur from China with avian-like sleeping posture".NATURE 431.7010(2004):838-841.

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