Genus: Datousaurus DONG, & TANG, 1984
Etymology: Malay, datou, “headman, chieftain," and Chinese, da, "big," Chinese, tou, "head" and Greek, sauros, "lizard": “Big head (chieftain) lizard”.

Species: gashanensis DONG & TANG, 1984

Holotype: IVPPV 7262, 7263

Locality: Dashanpu (Dashnapu Dinosaur Quarry), lat. 29°5’N, long. 104°50’E, situated 11 km east of Zigong City, 250 km south of Chengdu, Hechuan County, Sichuan Basin, Sichuan (Szechwan) Province, China.

Horizon: Xaishaximiao (Shaximiao) Formation.


Age: Bathonian-Callovian Stage (DONG & TANG, 1984), Middle-Upper Dogger Epoch, Middle Jurassic.

Material: Fragmentary skull and fragmentary skeleton.

Referred material:

CAO & YOU, 2000

CV 00740: Articulated left and right premaxillae and maxillae, left and right dentaries and teeth.

ZDM 5031: A complete skeleton.