A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China

IVPP-IR > 中科院古脊椎所（2000年以后）

	A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China
	Xu, Xing(徐星); Wang, XL(汪筱林); Wu, XC; Wu, XC (reprint author), Acad Sinica, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
	1999
发表期刊	NATURE
ISSN	0028-0836
卷号	401 期号:6750 页码:262—266
摘要	Dromaeosaurids, despite their notoriety, are poorly characterized meat-eating dinosaurs, and were previously known only from disarticulated or fragmentary specimens(1). Many studies have denied their close relationship to birds(2,3). Here we report the best represented and probably the earliest dromaeosaurid yet discovered, Sinornithosaurus millenii gen. et sp. nov., from Sihetun, the famous Mesozoic fish-dinosaur-bird locality in China(4,5). Sinornithosaurus not only greatly increases our knowledge of Dromaeosauridae but also provides evidence for a filamentous integument in this group. It is remarkably similar to early birds postcranially. The shoulder girdle shows that terrestrial dromaeosaurids had attained the prerequisites for powered, flapping flight(6), supporting the idea that bird flight originated from the ground up(7,8). The discovery of Sinornithosaurus widens the distribution of integumentary filaments among non-avian theropods(5,9,10). Phylogenetic analysis indicates that, among known theropods with integumentary filaments or feathers(2,5), Dromaeosauridae is the most bird-like, and is more closely related to birds than is Troodontidae.
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3945
专题	中科院古脊椎所（2000年以后）
通讯作者	Wu, XC (reprint author), Acad Sinica, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
推荐引用方式 GB/T 7714	Xu, Xing,Wang, XL,Wu, XC,et al. A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China[J]. NATURE,1999,401(6750):262—266.
APA	Xu, Xing,Wang, XL,Wu, XC,&Wu, XC .(1999).A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China.NATURE,401(6750),262—266.
MLA	Xu, Xing,et al."A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China".NATURE 401.6750(1999):262—266.

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