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

文献类型：期刊论文

作者Xu, X; Norell, MA; Xu, X (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
刊名NATURE
出版日期2004-10-14
卷号431期号:7010页码:838-841
ISSN号0028-0836
文献子类Article
英文摘要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).
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WOS关键词REPUBLIC-OF-CHINA ; EVOLUTION ; MONGOLIA ; THEROPODA ; BASIN ; SKULL
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000224435500045
公开日期2013-11-27
源URL[http://119.78.100.205/handle/311034/3612]  
专题古脊椎动物与古人类研究所_图书馆1
古脊椎动物与古人类研究所_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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来源：古脊椎动物与古人类研究所

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