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

IVPP-IR > 中科院古脊椎所（2000年以后）

	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（周忠和）; Zhang, FC(张福成); Clarke, JA (reprint author), N Carolina State Univ, Dept Marine Earth & Atmospher Sci, Campus Box 8208, Raleigh, NC 27695 USA.
	2006
发表期刊	JOURNAL OF ANATOMY
ISSN	0021-8782
卷号	208 期号:3 页码:287—308
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.
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文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3473
专题	中科院古脊椎所（2000年以后）
通讯作者	Clarke, JA (reprint author), N Carolina State Univ, Dept Marine Earth & Atmospher Sci, Campus Box 8208, Raleigh, NC 27695 USA.
推荐引用方式 GB/T 7714	Clarke, JA,Zhou, ZH,Zhang, FC,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[J]. JOURNAL OF ANATOMY,2006,208(3):287—308.
APA	Clarke, JA,Zhou, ZH,Zhang, FC,&Clarke, JA .(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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