Genus: Daanosaurus YE, GAO & JIANG, 2005
Etymology: In reference to the Da-an district of Zigong, Sichuan (Szechwan) Province, China and the Greek sauros, "lizard."

Species: zhangi YE, GAO & JIANG, 2005
Etymology: In honor of Chinese paleontologist Fucheng Zhang.

Holotype: ZDM0193

Locality: Yongan, Yantan, Zigong, Sichuan (Szechwan) Province, China.

Horizon: Xaishaximiao (Shangshaximiao) Formation.


Age: Late Jurassic.

Material: Fragmentary skull and 29 presacrals, some ribs and complete right femur of a juvenile.