Rates of morphological evolution are heterogeneous in Early Cretaceous birds

doi:10.1098/rspb.2016.0214

IVPP-IR > 中科院古脊椎所（2000年以后）

	Rates of morphological evolution are heterogeneous in Early Cretaceous birds
	Wang, Min 1; Lloyd, Graeme T.2
	2016-04-13
发表期刊	PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷号	283 期号:1828
文章类型	Article
摘要	The Early Cretaceous is a critical interval in the early history of birds. Exceptional fossils indicate that important evolutionary novelties such as a pygostyle and a keeled sternum had already arisen in Early Cretaceous taxa, bridging much of the morphological gap between Archaeopteryx and crown birds. However, detailed features of basal bird evolution remain obscure because of both the small sample of fossil taxa previously considered and a lack of quantitative studies assessing rates of morphological evolution. Here we apply a recently available phylogenetic method and associated sensitivity tests to a large data matrix of morphological characters to quantify rates of morphological evolution in Early Cretaceous birds. Our results reveal that although rates were highly heterogeneous between different Early Cretaceous avian lineages, consistent patterns of significantly high or low rates were harder to pinpoint. Nevertheless, evidence for accelerated evolutionary rates is strongest at the point when Ornithuromorpha (the Glade comprises all extant birds and descendants from their most recent common ancestors) split from Enantiornithes (a diverse Glade that went extinct at the end-Cretaceous), consistent with the hypothesis that this key split opened up new niches and ultimately led to greater diversity for these two dominant clades of Mesozoic birds.
关键词	Ayes Cretaceous Evolutionary Rates Phylogeny Tempo
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
DOI	10.1098/rspb.2016.0214
关键词[WOS]	ANCESTRAL CHARACTER STATES ; AMINO-ACID-SEQUENCES ; BASAL ORNITHUROMORPH ; ENANTIORNITHINE BIRD ; JEHOL-BIOTA ; AVES ORNITHOTHORACES ; NORTHWESTERN CHINA ; AVIAN EVOLUTION ; ORIGIN ; DIVERSIFICATION
收录类别	SCI
语种	英语
项目资助者	National Natural Science Foundation of China(41502002) ; Youth Innovation Promotion Association (CAS)(Youth Innovation Promotion Association (CAS, 2016073) ; Australian Research Council(DE140101879)
WOS研究方向	Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目	Biology ; Ecology ; Evolutionary Biology
WOS记录号	WOS:000375965600017
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/7100
专题	中科院古脊椎所（2000年以后）
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, 142 Xizhimenwai St, Beijing 100044, Peoples R China 2.Macquarie Univ, Dept Biol Sci, Fac Sci, Sydney, NSW 2109, Australia
推荐引用方式 GB/T 7714	Wang, Min,Lloyd, Graeme T.. Rates of morphological evolution are heterogeneous in Early Cretaceous birds[J]. PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,2016,283(1828).
APA	Wang, Min,&Lloyd, Graeme T..(2016).Rates of morphological evolution are heterogeneous in Early Cretaceous birds.PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,283(1828).
MLA	Wang, Min,et al."Rates of morphological evolution are heterogeneous in Early Cretaceous birds".PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 283.1828(2016).