Fig. 1From: The first theropod tracks from the Middle Jurassic of Gansu, Northwest China: new and rare evidence of quadrupedal progression in theropod dinosaursGeographic and geologic maps showing the location of dinosaur tracks (Inset map of China is modified after State Buteau of Surveying and Mapping, GS(2016)2884). The study area is in the distributing range of the Jurassic strataBack to article page