首页|Discovery of the Middle Jurassic Small Theropod Footprints in Eastern Tibet,China

Discovery of the Middle Jurassic Small Theropod Footprints in Eastern Tibet,China

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Jurassic continental strata are widely distributed in the Changdu area of eastern Tibet,but very few dinosaur footprints have been reported.Abundant sauropod,ornithopod and theropod foot-prints preserved in the Wenda site have been found during the recent geological surveys.This is a novel assemblage of the Middle Jurassic dinosaur footprints.These footprint fossils provide a key insight into the members of dinosaur faunas,and the behavior of the trackmakers.Here,the newly discovery small theropod footprints,which are identified as Wildeichnus isp.,are discussed.The analysis of two track-ways suggest that these two trackmakers(with a hip height of approx.35 cm,and a body length of ap-prox.1 m)were moving slowly,with an estimated speed of 0.82 and 0.57 m/s,respectively.It is unusual for small theropods to move so slowly,and the present study supports the view that Wildeichnus had a global distribution,but the trackmaker of Wildeichnus is not interpreted as a juvenile Grallator.

dinosaur footprintsmorphologyMiddle JurassicDabuka FormationChangdu area

Yangui Li、Huazhou Yao、Asma Tahir、Junaid Khan、William J.Foster、Ping Wang、Laishi Zhao、Zhihui An、Chuanshang Wang、Jianxiong Wang

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Wuhan Center,China Geological Survey,Wuhan 430205,China

State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Wuhan 430078,China

Hubei Key Laboratory of Paleontology and Geological Environment Evolution,Wuhan 430205,China

Institute of Geological Survey,China University of Geosciences,Wuhan 430074,China

Institute for Geology,University of Hamburg,Hamburg 20146,Germany

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2024

10.1007/s12583-022-1783-1

地球科学学刊(英文版)
中国地质大学

地球科学学刊(英文版)

CSTPCD
影响因子：0.724
ISSN：1674-487X
年,卷(期)：2024.35(6)