首页|An Adult Specimen of Hongshanosaurus houi (Dinosauria: Psittacosauridae) from the Lower Cretaceous of Western Liaoning Province, China

An Adult Specimen of Hongshanosaurus houi (Dinosauria: Psittacosauridae) from the Lower Cretaceous of Western Liaoning Province, China

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A new specimen consisting of a complete skull and lower jaw was discovered from the Lujiatun bed of the Lower Cretaceous Yixian Formation in the Lujiatun site, Beipiao, western Liaoning Province. It represents an adult specimen of Hongshanosaurus houi. Comparative studies show that Hongshanosaurus is distinguishable from its sister taxon Psittacosaurus by having the preorbital portion about half of the basal skull length, and the elliptical external naris,orbit, and a lower temporal fenestra oriented caudodorsally.

DinosauriaPsittacosanridaeHongshanosaurusontogenyLower Cretaceouswestern Liaoning

You Hailu、XU Xing

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Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037

Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044

supported by research foundation from the Chinese Academy of Sciences and China Postdoctoral Sciense Foundation to You Hailu,and

2005

地质学报(英文版)
中国地质学会

地质学报(英文版)

影响因子：1.414
ISSN：1000-9515
年,卷(期)：2005.79(2)
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