HINDLIMB FEATHERS IN PARAVIANS: PRIMARILY "WINGS" OR ORNAMENTS?

IVPP-IR > 中科院古脊椎所（2000年以后）

	HINDLIMB FEATHERS IN PARAVIANS: PRIMARILY "WINGS" OR ORNAMENTS?
	O'Connor, J. K.1; Chang, H.2
	2014-10-01
发表期刊	ZOOLOGICHESKY ZHURNAL
卷号	93 期号:10 页码:1166-1172
文章类型	Article
摘要	The recently described specimen of Sapeornis with feathers around the ankle joint is the first finding of birds with metatarsal feathers. The discovery of several groups of paravians with feathered distal hindlimbs has been used as evidence that flight in Ayes evolved through the tetrapteryx stage. However, most specimens of Sapeornis do not preserve feathers around the feet, and these feathers are clearly absent in at least one exceptional specimen preserving skin and feather impressions. This suggests that the presence of ankle feathers in Sapeornis may alternatively he interpreted as ornamentation. Basal birds show more ornamental tail morphologies than aerodynamic ones suggesting that sexual selection played a dominant role in shaping tail plumage. Feathers on the forelimbs initially evolved for a purpose other than flight, and we propose aerodynamics was not the driving force in the hindlimb feather evolution. Feathers appear to be means of visual communication playing a very important role in the evolution of paravian plumage.
关键词	Mesozoic Hind Wings Sapeornis Paraves Hindlimb Feathers
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]	EARLY CRETACEOUS BIRD ; EARLY EVOLUTION ; LONG FEATHERS ; LEG FEATHERS ; CHINA ; METATARSUS ; MORPHOLOGY ; SPECIMEN ; THEROPOD ; ORIGIN
收录类别	SCI
语种	英语
WOS研究方向	Zoology
WOS类目	Zoology
WOS记录号	WOS:000346956600003
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/7182
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 Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China 2.Henan Geol Museum, Zhengzhou 450016, Peoples R China
推荐引用方式 GB/T 7714	O'Connor, J. K.,Chang, H.. HINDLIMB FEATHERS IN PARAVIANS: PRIMARILY "WINGS" OR ORNAMENTS?[J]. ZOOLOGICHESKY ZHURNAL,2014,93(10):1166-1172.
APA	O'Connor, J. K.,&Chang, H..(2014).HINDLIMB FEATHERS IN PARAVIANS: PRIMARILY "WINGS" OR ORNAMENTS?.ZOOLOGICHESKY ZHURNAL,93(10),1166-1172.
MLA	O'Connor, J. K.,et al."HINDLIMB FEATHERS IN PARAVIANS: PRIMARILY "WINGS" OR ORNAMENTS?".ZOOLOGICHESKY ZHURNAL 93.10(2014):1166-1172.

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