Genus: Hongshanxi DONG, WANG, MOU, ZHANG & EVANS, 2019
Etymology: The Hongshan culture is an acient (5000 BP) culture centered close to Jianping, near the fossil locality, and Chinese, xi, "lizard."

Species: xiei DONG, WANG, MOU, ZHANG & EVANS, 2019
Etymology: In honor of Mr. Xie Jinggou who recoverred the fossil.

Holotype: HS-0001

Locality: Guancaishan (41°24.373'N, 119°26.995'E), 1.k km northeast of Muyingzi Village, Shahai Town, Jianping County, Liaoning Province, China.

Horizon: Tiaojishan (Lanqi) Formation.

Biostratigraphy:

Age: Oxfordian Stage, Lower Malm Epoch, Early Late Jurassic.

Material: Fragmentary skull and fragmentary skeleton.

Note: Body outline, scales?