IVPP-IR  > 中科院古脊椎所(2000年以后)
Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird
Zhou, Zhonghe; Clarke, Julia; Zhang, Fucheng; zhonghe@yeah.net
2008
发表期刊J ANAT
ISSN0021-8782
卷号212期号:5
摘要Most of Mesozoic bird diversity comprises species that are part of one of two major lineages, namely Ornithurae, including living birds, and Enantiornithes, a major radiation traditionally referred to as 'opposite birds'. Here we report the largest Early Cretaceous enantiornithine bird from north-east China, which provides evidence that basal members of Enantiornithes share more morphologies with ornithurine birds than previously recognized. Morphological evolution in these two groups has been thought to be largely parallel, with derived members of Enantiornithes convergent on the 'advanced' flight capabilities of ornithurine birds. The presence of an array of morphologies previously thought to be derived within ornithurine and enantiornithine birds in a basal enantiornithine species provides evidence of the complex character evolution in these two major lineages. The cranial morphology of the new specimen is among the best preserved for Mesozoic avians. The new species extends the size range known for Early Cretaceous Enantiornithes significantly and provides evidence of forelimb to hind limb proportions distinct from all other known members of the clade. As such, it sheds new light on avian body size evolution and diversity, and allows a re-evaluation of a previously proposed hypothesis of competitive exclusion among Early Cretaceous avian clades.
关键词Early Diversification Ornithurine Bird Avian Flight China Radiation Skull Neornithes Anatomy Origin Aves
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收录类别SCI收录
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/4837
专题中科院古脊椎所(2000年以后)
通讯作者zhonghe@yeah.net
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GB/T 7714
Zhou, Zhonghe,Clarke, Julia,Zhang, Fucheng,et al. Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird[J]. J ANAT,2008,212(5).
APA Zhou, Zhonghe,Clarke, Julia,Zhang, Fucheng,&zhonghe@yeah.net.(2008).Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird.J ANAT,212(5).
MLA Zhou, Zhonghe,et al."Insight into diversity, body size and morphological evolution from the largest Early Cretaceous enantiornithine bird".J ANAT 212.5(2008).
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