Aerodynamics Show Membrane-Winged Theropods Were a Poor Gliding Dead-end

doi:10.1016/j.isci.2020.101574

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	Aerodynamics Show Membrane-Winged Theropods Were a Poor Gliding Dead-end
	Dececchi, T. Alexander 1; Roy, Arindam 2; Pittman, Michael 2; Kaye, Thomas G.3; Xu, Xing4 ; Habib, Michael B.5; Larsson, Hans C. E.6; Wang, Xiaoli 7; Zheng, Xiaoting 7,8
	2020-12-18
发表期刊	ISCIENCE
卷号	23 期号:12 页码:34
摘要	The bizarre scansoriopterygid theropods Yi and Ambopteryx had skin stretched between elongate fingers that form a potential membranous wing. This wing is thought to have been used in aerial locomotion, but this has never been tested. Using laser-stimulated fluorescence imaging, we re-evaluate their anatomy and perform aerodynamic calculations covering flight potential, other wing-based behaviors, and gliding capabilities. We find that Yi and Ambopteryx were likely arboreal, highly unlikely to have any form of powered flight, and had significant deficiencies in flapping-based locomotion and limited gliding abilities. Our results show that Scansoriopterygidae are not models for the early evolution of bird flight, and their structurally distinct wings differed greatly from contemporaneous paravians, supporting multiple independent origins of flight. We propose that Scansoriopterygidae represents a unique but failed flight architecture of non-avialan theropods and that the evolutionary race to capture vertebrate aerial morphospace in the Middle to Late Jurassic was dynamic and complex.
DOI	10.1016/j.isci.2020.101574
关键词[WOS]	BIZARRE JURASSIC MANIRAPTORAN ; FLIGHT PERFORMANCE ; FOSSIL RECORD ; BODY-SIZE ; TAKE-OFF ; EVOLUTION ; ORIGIN ; BIRDS ; ARCHAEOPTERYX ; MICRORAPTOR
收录类别	SCI
语种	英语
资助项目	RAE Improvement Fund of the Faculty of Science, The University of Hong Kong ; Hong Kong PhD Fellowship[PF16-09281] ; University of Hong Kong (HKU) MOOC Dinosaur Ecosystems ; Research Grant Council General Research Fund[17120920]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000600670000001
出版者	CELL PRESS
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/18748
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Dececchi, T. Alexander
作者单位	1.Mt Marty Univ, Dept Biol, Div Nat Sci, Yankton, SD 57058 USA 2.Univ Hong Kong, Div Earth & Planetary Sci, Vertebrate Palaeontol Lab, Hong Kong, Peoples R China 3.Fdn Sci Adv, Sierra Vista, AZ USA 4.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China 5.Nat Hist Museum Los Angeles Cty, Los Angeles, CA USA 6.McGill Univ, Redpath Museum, Montreal, PQ, Canada 7.Linyi Univ, Inst Geol & Paleontol, Linyi, Shandong, Peoples R China 8.Shandong Tianyu Museum Nat, Pingyi, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Dececchi, T. Alexander,Roy, Arindam,Pittman, Michael,et al. Aerodynamics Show Membrane-Winged Theropods Were a Poor Gliding Dead-end[J]. ISCIENCE,2020,23(12):34.
APA	Dececchi, T. Alexander.,Roy, Arindam.,Pittman, Michael.,Kaye, Thomas G..,Xu, Xing.,...&Zheng, Xiaoting.(2020).Aerodynamics Show Membrane-Winged Theropods Were a Poor Gliding Dead-end.ISCIENCE,23(12),34.
MLA	Dececchi, T. Alexander,et al."Aerodynamics Show Membrane-Winged Theropods Were a Poor Gliding Dead-end".ISCIENCE 23.12(2020):34.

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