Genus: Beipiaosaurus XU, TANG & WANG, 1999
Etymology: Beipiao, the city near the locality where the specimen was found, and Greek, Sauros, “lizard”: Beipiao lizard.

Species: inexpectus XU, TANG & WANG, 1999
Etymology: Inexpectus: referring to the surprising features in this animal.

Referred material:

XU, ZHENG & YOU, 2009

Locality: Jianchang, Western Liaoning Province, China.

Horizon: Yixian Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

STM31-1: Skull and nearly complete skeleton.

Note: With feather impressions, and skin impressions (McNAMARA, ZHANG, KEARNS, ORR, TOULOUSE, FOLEY, HONE, ROGERS, BENTON, JOHNSON, XU & ZHOU, 2018).