Species: zhangqiani DONG, 1997
Etymology: In honor of Zhang Qian (who was a diplomatist of the Han dynasty B. C. 206~A. D. 23), for his contributions to establishing the diplomatic and trade relationships between China and countries along the “Silk Road” during his time.

Holotype: IVPP V. 11117 1-2

Locality: Gongpoquan Basin, Town of Mazongshan, Subei Mongol Autonomous, Jiuquan City , Gansu (Kansu) Province, China.

Horizon: Middle grey unit of Zhonggou Formation, Xinminbao Group.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: A complete premaxillary tooth and a nearly complete cheek tooth.