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New information on the plumage of Protopteryx (Ayes: Enantiornithes) from a new specimen
O'Connor, Jingmai K.1,2; Zheng, Xiaoting3,4; Pan, Yanhong5; Wang, Xiaoli3,4; Wang, Yan3,4; Zhang, Xiaomei4; Zhou, Zhonghe1,2
2020-12-01
发表期刊CRETACEOUS RESEARCH
ISSN0195-6671
卷号116期号:0页码:17
摘要Protopteryx fengningensis is from the 130-129 Ma (uppermost Hauterivian-lowermost Barremian, Lower Cretaceous) making it one of the oldest known enantiornithines. Contributing to its significance, this taxon is also commonly resolved as the basal-most enantiornithine in phylogenetic analyses. Protopteryx preserves several unusual morphologies that are otherwise absent in the Enantiornithes but common in the Ornithuromorpha such as the procoracoid and lateral processes on the coracoid and proximally convex humeral head. Thus, the morphology of this taxon hints at the morphology of the ornithothoracine common ancestor. Here we supplement existing data with information from a new specimen as well as new morphological data from the holotype and paratype. The new specimen preserves gaps in the right wing suggestive of a sequential molt. The presence of two gaps suggests that, unlike neornithines, primaries and secondaries molted simultaneously. This represents an intermediate condition between Microraptor, in which several feathers are growing simultaneously and sequentially, and modern birds with sequential molts, in which a single feather is replaced at a time. A single patch of feathers was sampled revealing preserved eumelanosomes, indicating that at least part of the remiges was darkly colored. (C) 2020 Elsevier Ltd. All rights reserved.
关键词Huajiying Formation Jehol Biota Protopteryx Ornithothoraces Basal enantiornithine Anatomy Feathers Molting
DOI10.1016/j.cretres.2020.104577
关键词[WOS]HUAJIYING FORMATION ; TAIL FEATHERS ; JEHOL-BIOTA ; SOFT-TISSUE ; BIRD ; EVOLUTION ; AVES ; CHINA ; ORNITHOTHORACES ; PRESERVATION
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41372014] ; National Natural Science Foundation of China[41402017] ; Taishan Scholars Program of Shandong Province[Ts20190954]
WOS研究方向Geology ; Paleontology
WOS类目Geology ; Paleontology
WOS记录号WOS:000579821800011
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/18856
专题中国科学院古脊椎动物与古人类研究所
通讯作者O'Connor, Jingmai K.
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
2.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
3.Linyi Univ, Inst Geol & Paleontol, Linyi 276005, Shandong, Peoples R China
4.Shandong Tianyu Museum Nat, Pingyi 273300, Shandong, Peoples R China
5.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China
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O'Connor, Jingmai K.,Zheng, Xiaoting,Pan, Yanhong,et al. New information on the plumage of Protopteryx (Ayes: Enantiornithes) from a new specimen[J]. CRETACEOUS RESEARCH,2020,116(0):17.
APA O'Connor, Jingmai K..,Zheng, Xiaoting.,Pan, Yanhong.,Wang, Xiaoli.,Wang, Yan.,...&Zhou, Zhonghe.(2020).New information on the plumage of Protopteryx (Ayes: Enantiornithes) from a new specimen.CRETACEOUS RESEARCH,116(0),17.
MLA O'Connor, Jingmai K.,et al."New information on the plumage of Protopteryx (Ayes: Enantiornithes) from a new specimen".CRETACEOUS RESEARCH 116.0(2020):17.
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