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.
Biostratigraphy:
Age: Bathonian-Callovian Stage (DONG & TANG, 1984), Middle-Upper Dogger
Epoch, Middle Jurassic.
Note: Bajocian (CHEN et al. 1982), Lower Middle Dogger Epoch, Middle Jurassic.
Material:
CV00679: Fragmentary shell.
YE, 1994
I-L1, ZDM 3019 (field nunber I-L2): Fragmentary
remains.