Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui

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	Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui
	Clarke, JA ; Zhou, ZH; Zhang, FC
	2006-03-01
发表期刊	JOURNAL OF ANATOMY
卷号	208 期号:3 页码:287-308
文章类型	Article
摘要	In studies of the evolution of avian flight there has been a singular preoccupation with unravelling its origin. By contrast, the complex changes in morphology that occurred between the earliest form of avian flapping flight and the emergence of the flight capabilities of extant birds remain comparatively little explored. Any such work has been limited by a comparative paucity of fossils illuminating bird evolution near the origin of the clade of extant (i.e. 'modern') birds (Aves). Here we recognize three species from the Early Cretaceous of China as comprising a new lineage of basal ornithurine birds. Ornithurae is a clade that includes, approximately, comparatively close relatives of crown clade Aves (extant birds) and that crown clade. The morphology of the best-preserved specimen from this newly recognized Asian diversity, the holotype specimen of Yixianornis grabaui Zhou and Zhang 2001, complete with finely preserved wing and tail feather impressions, is used to illustrate the new insights offered by recognition of this lineage. Hypotheses of avian morphological evolution and specifically proposed patterns of change in different avian locomotor modules after the origin of flight are impacted by recognition of the new lineage. The complete articulated holotype specimen of Yixianornis grabaui, from the Early Cretaceous Jiufotang Formation of Liaoning Province, in north-eastern China, arguably the best-preserved basal ornithurine specimen yet discovered, provides the earliest evidence consistent with the presence of extant avian tail feather fanning.
关键词	Birds Flight Morphological Evolution Ornithurae
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]	FOSSIL EVIDENCE ; COLUMBA-LIVIA ; BIRDS ; TAIL ; MONGOLIA ; ORIGIN ; DIVERSIFICATION ; RADIATION ; SELECTION ; FEATHERS
收录类别	SCI
语种	英语
WOS研究方向	Anatomy & Morphology
WOS类目	Anatomy & Morphology
WOS记录号	WOS:000235893200002
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/2075
专题	古低等脊椎动物研究室
作者单位	1.N Carolina State Univ, Dept Marine Earth & Atmospher Sci, Raleigh, NC 27695 USA 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Clarke, JA,Zhou, ZH,Zhang, FC. Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui[J]. JOURNAL OF ANATOMY,2006,208(3):287-308.
APA	Clarke, JA,Zhou, ZH,&Zhang, FC.(2006).Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui.JOURNAL OF ANATOMY,208(3),287-308.
MLA	Clarke, JA,et al."Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui".JOURNAL OF ANATOMY 208.3(2006):287-308.

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