IVPP-IR  > 中科院古脊椎所(2000年以后)
A mid-Cretaceous enantiornithine (Aves) hatchling preserved in Burmese amber with unusual plumage
Xing, Lida1,2; O'Connor, Jingmai K.3; McKellar, Ryan C.4,5,6; Chiappe, Luis M.7; Tseng, Kuowei8; Li, Gang9; Bai, Ming10
2017-09-01
发表期刊GONDWANA RESEARCH
卷号49页码:264-277
文章类型Article
摘要Burmese amber has recently provided some detailed glimpses of plumage, soft tissues, and osteology of juvenile enantiornithine birds, but these insights have been restricted to isolated wing apices. Here we describe nearly half of a hatchling individual, based on osteological and soft tissue data obtained from the skull, neck, feet, and wing, and identified as a member of the extinct avian Glade Enantiornithes. Preserved soft tissue provides the unique opportunity to observe the external opening of the ear, the eyelid, and fine details of tarsal scutellation. The new amber specimen yields the most complete view of hatchling plumage and integument yet to be recovered from the Cretaceous, including details of pterylosis, feather microstructure, and pigmentation patterns. The hatchling was encapsulated during the earliest stages of its feather production, providing a point for comparisons to other forms of body fossils, as well as isolated feathers found in Cretaceous ambers. The plumage preserves an unusual combination of precocial and altricial features unlike any living hatchling bird, having functional remiges combined with sparse body feathers. Unusual feather morphotypes on the legs, feet, and tail suggest that first generation feathers in the Enantiornithes may have been much more like contour feathers than the natal down observed in many modern birds. However, these regions also preserve filamentous feathers that appear comparable to the protofeathers observed in more primitive theropods. Overall, the new specimen brings a new level of detail to our understanding of the anatomy of the juvenile stages of the most species-rich Glade of pre-modern birds and contributes to mounting data that enantiornithine development drastically differed from that of Neornithes. (C) 2017 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
关键词Enantiornithes Juvenile Osteology Plumage Soft Tissue Preservation
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.gr.2017.06.001
关键词[WOS]EVOLUTIONARY ORIGIN ; BIRD ; ORNITHOTHORACES ; ARCHAEOPTERYX ; ARGENTINA ; HISTOLOGY ; FEATHERS ; DINOSAUR ; GROWTH ; SKULL
收录类别SCI
语种英语
项目资助者National Basic Research Program of China (973 Project)(2012CB822000) ; Natural Sciences and Engineering Research Council of Canada(2015-00681) ; National Geographic Society, USA(EC0768-15) ; National Natural Science Foundation of China (Special Subjects in Animal Taxonomy)(31672345 ; Chinese Academy of Sciences(YZ201509) ; NSFC-J1210002)
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000414383200014
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/7912
专题中科院古脊椎所(2000年以后)
作者单位1.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
2.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Ongins, Beijing 100044, Peoples R China
4.Royal Saskatchewan Museum, Regina, SK S4P 4W7, Canada
5.Univ Regina, Biol Dept, Regina, SK S4S 0A2, Canada
6.Univ Kansas, Dept Ecol & Evolutionary Biol, 1501 Crestline Dr,Suite 140, Lawrence, KS 66045 USA
7.Nat Hist Museum Los Angeles Cty, Dinosaur Inst, 900 Exposit Blvd, Los Angeles, CA 90007 USA
8.Univ Taipei, Dept Exercise & Hlth Sci, Taipei 11153, Taiwan
9.Chinese Acad Sci, Inst High Energy Phys, 196 Yuquan Rd, Beijing 100049, Peoples R China
10.Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Box 92,Beichen West Rd, Beijing 100101, Peoples R China
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Xing, Lida,O'Connor, Jingmai K.,McKellar, Ryan C.,et al. A mid-Cretaceous enantiornithine (Aves) hatchling preserved in Burmese amber with unusual plumage[J]. GONDWANA RESEARCH,2017,49:264-277.
APA Xing, Lida.,O'Connor, Jingmai K..,McKellar, Ryan C..,Chiappe, Luis M..,Tseng, Kuowei.,...&Bai, Ming.(2017).A mid-Cretaceous enantiornithine (Aves) hatchling preserved in Burmese amber with unusual plumage.GONDWANA RESEARCH,49,264-277.
MLA Xing, Lida,et al."A mid-Cretaceous enantiornithine (Aves) hatchling preserved in Burmese amber with unusual plumage".GONDWANA RESEARCH 49(2017):264-277.
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