Shunosaurus lii, DONG, 1983

Chatterjee, Sankar & Zheng, Zhong, 2002, Cranial anatomy of Shunosaurus, a basal sauropod dinosaur from the Middle Jurassic of China, Zoological Journal of the Linnean Society 136 (1), pp. 145-169 : 151

SHUNOSAURUS LII DONG ET AL., 1983

Horizon. Lower Shaximiao Formation, Middle Jurassic ( Fig. 3 ).

Holotype. V9065-1 - 23 , partial vertebrae and pelvis, in the collection of IVPP, Beijing, China.

Referred specimens. ZG65430, a nearly complete skull including an intact braincase and lower jaw ( Fig. 4 ); T 5401, a complete skeleton including skull, lower jaw, most of the vertebrae, pelvic girdle, sacrum, left humerus, right femur and a claw; T 5403, a complete skeleton; T 5404, a complete postcranial skeleton.

Type locality. Dashanpu, near Zigong city 10 km north-east (lat. 29°5′N; long. 104°50′E) of Sichuan Province, China ( Fig. 2 ) .

Specific diagnosis. Same as for genus.

Institutional abbreviations

IVPP The Institute of Vertebrate Palaeontology and Palaeoanthropology, Academic Sinica, Beijing, China .

T The Chongqing Natural History Museum, Chongqing, China .

ZG Zigong Dinosaur Museum, Zigong, China.

DNM Dinosaur National Monument, Utah.

TTU Museum of Texas Tech University, Lubbock, Texas.

ISI Geology Museum of Indian Statistical Institute, Calcutta, India.

Figures

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).

Figure 3. Columnar section of Middle Jurassic to Upper Jurassic strata in Sichuan Basin, China (modified from Dong, 1992).

Figure 4. Skull of Shunosaurus lii (ZG65430). A−C, braincase in lateral, dorsal and ventral views. D & E, left maxilla and jugal in lateral and medial views. F &G, left dentary in lateral and medial views. H & I, right dentary in lateral and medial views. J, right maxilla in lateral view. K, right premaxilla in medial view. L, right pterygoid in lateral view. M, right quadrate and quadratojugal in medial view.