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Pennaraptora : ウィキペディア英語版 | Pennaraptora
Pennaraptora is a clade defined as the most recent common ancestor of ''Oviraptor philoceratops'', ''Deinonychus antirrhopus'', and ''Passer domesticus'' (the house sparrow), and all descendants thereof, by Foth ''et al.'', 2014. The earliest known definitive member of this clade is ''Anchiornis'', from the late Jurassic period of China, about 160 million years ago. The clade "Aviremigia" was conditionally proposed along with several other apomorphy-based clades relating to birds by Jacques Gauthier and Kevin de Queiroz in a 2001 paper. Their proposed definition for the group was "the clade stemming from the first panavian with ... remiges and rectrices, that is, enlarged, stiff-shafted, closed-vaned (= barbules bearing hooked distal pennulae), pennaceous feathers arising from the distal forelimbs and tail".〔Gauthier, J. and de Queiroz, K. (2001). "Feathered dinosaurs, flying dinosaurs, crown dinosaurs, and the name 'Aves'". Pp. 7-41 in Gauthier, J. and L.F. Gall (eds.), ''New Perspectives on the Origin and Early Evolution of Birds: Proceedings of the International Symposium in Honor of John H. Ostrom''. New Haven: Peabody Museum of Natural History, Yale University. ISBN 0-912532-57-2.〕 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pennaraptora」の詳細全文を読む
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