A New Enantiornithes (Aves) from the Early Cretaceous of China

被引：3

作者：

Dalsatt, Johan ^{[1
,2
]}

Ericson, Per G. P. ^{[1
]}

Zhou, Zhonge ^{[3
]}

机构：

[1] Swedish Museum Nat Hist, Dept Vertebrate Zool, SE-10405 Stockholm, Sweden

[2] Stockholm Univ, Dept Geol Sci, SE-10691 Stockholm, Sweden

[3] Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China

来源：

ACTA GEOLOGICA SINICA-ENGLISH EDITION | 2014年 / 88卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Enantiornithes; Aves; Early Cretaceous; Yixian Formation; Liaoning; China; BIRD; EVOLUTION; HEBEI;

D O I：

10.1111/1755-6724.12270

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A new bird from the early Cretaceous Yixian Formation of Liaoning, China is described. This new species, Grabauornis lingyuanensis, shares several synapomorphies with the Enantiornithes. The specimen is relatively well preserved. The skeletal morphology of Grabauornis bears close resemblance to that of other Chinese members of this clade. The brachial index (the ratio between the lengths of humerus and ulna) is 0.95, which is close to the average for enantiornithine birds. It indicates that Grabauornis was a rather good flyer, and the presence of an alula in the wing further testifies to this.

引用

页码：1034 / 1040

页数：7

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