Genus: Gasosaurus DONG, & TANG, 1985
Etymology: English gas (from Dutch spelling of Greek Chaos), and Greek, sauros, "lizard": alluding to the Dashanpu gas-mining company that found the fossil quarry.

Species: constructus DONG, & TANG, 1985
Etymology: Latin, constrictus, pp. of constringere, "compress."

Holotype:

Locality: Dashanpu (Dashanpu 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.

Biostratigraphy:

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

Material: 4 cervical, 7 dorsal, 5 sacral and 7 caudal vertebrae, humerus, ilium, ischium, pubis, femur, tibia and fibula.

Paratype:

IVPP V 7265: 3 teeth.

Referred material:

PENG, YE, GAO, SHU & JIANG, 2005

ZDM 9008: Ischium.