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).