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Chinese Academy of Sciences Institutional Repositories Grid
Pre-Archaeopteryx coelurosaurian dinosaurs and their implications for understanding avian origins

文献类型:期刊论文

作者Xu Xing1; Ma QingYu1,3; Hu DongYu2; xingxu@vip.sina.com; dongyuchina@hotmail.com
刊名CHINESE SCIENCE BULLETIN
出版日期2010-12-01
卷号55期号:35页码:3971-3977
关键词Jurassic Fossil Record Coelurosauria Theropoda Avian Origins
ISSN号1001-6538
文献子类Review
英文摘要The last two decades have witnessed great advances in reconstructing the transition from non-avian theropods to avians, but views in opposition to the theropod hypothesis still exist. Here we highlight one issue that is often considered to raise problems for the theropod hypothesis of avian origins, i.e. the "temporal paradox" in the stratigraphic distribution of theropod fossils - the idea that the earliest known avian is from the Late Jurassic but most other coelurosaurian groups are poorly known in the Jurassic, implying that avians arose before their supposed ancestors. However, a number of Jurassic non-avian coelurosaurian theropods have recently been discovered, thus documenting the presence of most of the major coelurosaurian groups in the Jurassic alongside, or prior to, avians. These discoveries have greatly improved the congruence between stratigraphy and phylogeny for derived theropods and, effectively, they reject the "temporal paradox" concept. Most importantly, these discoveries provide significant new information that supports the relatively basal positions of the Tyrannosauroidea and Alvarezsauroidea among the Coelurosauria. Indeed, they imply a new phylogenetic hypothesis for the interrelationships of Paraves, in which Archaeopteryx, the Dromaeosauridae, and the Troodontidae form a monophyletic group while the Scansoriopterygidae, other basal birds, and probably also the Oviraptorosauria, form another clade. Mapping some of the salient features onto a temporally-calibrated theropod phylogeny indicates that characteristics related to flight and arboreality evolved at the base of the Paraves, earlier than the Late Jurassic.
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WOS关键词THEROPOD DINOSAUR ; THERIZINOSAUROID DINOSAUR ; TYRANNOSAUROID DINOSAUR ; PHYLOGENETIC POSITION ; FEATHERED DINOSAURS ; PROTEIN SEQUENCES ; YIXIAN FORMATION ; INNER-MONGOLIA ; LONG FEATHERS ; CHINA
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000285196000001
公开日期2013-11-27
源URL[http://119.78.100.205/handle/311034/4488]  
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xingxu@vip.sina.com; dongyuchina@hotmail.com
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China
2.Shenyang Normal Univ, Inst Paleontol, Shenyang 110034, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Xu Xing,Ma QingYu,Hu DongYu,et al. Pre-Archaeopteryx coelurosaurian dinosaurs and their implications for understanding avian origins[J]. CHINESE SCIENCE BULLETIN,2010,55(35):3971-3977.
APA Xu Xing,Ma QingYu,Hu DongYu,xingxu@vip.sina.com,&dongyuchina@hotmail.com.(2010).Pre-Archaeopteryx coelurosaurian dinosaurs and their implications for understanding avian origins.CHINESE SCIENCE BULLETIN,55(35),3971-3977.
MLA Xu Xing,et al."Pre-Archaeopteryx coelurosaurian dinosaurs and their implications for understanding avian origins".CHINESE SCIENCE BULLETIN 55.35(2010):3971-3977.

入库方式: OAI收割

来源:古脊椎动物与古人类研究所

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