Figure 2. A in Cranial anatomy of Shunosaurus, a basal sauropod dinosaur from the Middle Jurassic of China

Figure 2. A, Sketch map showing the fossil localities of Early and Middle Jurassic dinosaurs in China. B, Generalized geological map of Zigong area, Sichuan Province, China, showing the location of the Dashanpu quarry where several skeletons of Shunosaurus were discovered (simplified from Dong, 1992).