aflattenedenantiornithineinmidcretaceousburmeseambermorphologyandpreservation

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	aflattenedenantiornithineinmidcretaceousburmeseambermorphologyandpreservation
	Xing Lida 1; OConnor Jingmai K 2; Mckellar Ryan C 3; Chiappe Luis M 4; Bai Ming 5; Tseng Kuowei 6; Zhang Jie 7; Yang Haidong 5; Fang Jun 8; Li Gang 7
刊名	sciencebulletin
	2018
卷号	63 期号:4 页码:235
ISSN号	2095-9273
英文摘要	Cretaceous amber from myanmar (similar to 99 ma burmese amber) has become a valuable supplement to the traditional skeletal record of small theropod dinosaurs preserved in sedimentary rocks, particularly for coelurosaurs and enantiornithines. the specimens recovered from this deposit preserve skeletal material and soft tissues in unmatched detail. this provides opportunities to study three-dimensional preservation of soft tissues, microstructure, and pigmentation patterns that are seldom available else-where in the fossil record. ultimately, this line of research provides insights into life stages that are difficult to preserve, the ecology and appearance of the groups involved, and the evolutionary-development of structures such as feathers. here we describe the most recent discovery from burmese amber, an articulated skeleton of an enantiornithine bird. this individual has been sectioned along the coronal plane, providing a unique view inside multiple body regions. osteological observations and plumage patterns support placement within the enantiornithes, and suggest that the animal may have been a juvenile at the time of death. the specimen has a complex taphonomic history that includes exposure at the surface of a resin flow prior to encapsulation, and may include scavenging by some of the insects trapped within the same amber piece. the chemical composition observed along surface exposures and shallowly buried regions of the body indicate that the specimen has not undergone significant exchange with its surroundings. high iron concentrations are present in regions that preserve soft tissues as carbon films, and calcium distribution corresponds to regions where bones breach the surface of the amber. (c) 2018 science china press. published by elsevier b.v. and science china press. all rights reserved.
语种	英语
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/16436]
专题	古脊椎动物与古人类研究所_图书馆1
作者单位	1.China University of Geosciences 2.中国科学院古脊椎动物与古人类研究所 3.Royal Saskatchewan Museum 4.Dinosaur Institute, Natural History Museum of Los Angeles County 5.中国科学院动物研究所 6.台北市立大学 7.中国科学院高能物理研究所 8.中国地质大学
推荐引用方式 GB/T 7714	Xing Lida,OConnor Jingmai K,Mckellar Ryan C,et al. aflattenedenantiornithineinmidcretaceousburmeseambermorphologyandpreservation[J]. sciencebulletin,2018,63(4):235.
APA	Xing Lida.,OConnor Jingmai K.,Mckellar Ryan C.,Chiappe Luis M.,Bai Ming.,...&Li Gang.(2018).aflattenedenantiornithineinmidcretaceousburmeseambermorphologyandpreservation.sciencebulletin,63(4),235.
MLA	Xing Lida,et al."aflattenedenantiornithineinmidcretaceousburmeseambermorphologyandpreservation".sciencebulletin 63.4(2018):235.