Species: longidigitus JI, 1998
Etymology:

Referred material:

EVANS & WANG, 2005

Locality: Dawangzhangzi, Lingyuan, Western Liaoning Province, China.

Horizon: Horizon 1, Lower part of the Yixian Formation, Jehol Group.

Biostratigraphy: Psittacosaurus Fauna, Confuciusornis Avifauna.

Age: Valanginian Stage, Upper Neocomian Subepoch, Early Early Cretaceous Epoch, Early Cretaceous.

Material:

IVPP V12586: Posterior skeleton.
Note: with skin traces.

IVPP V13865: Part and counterpart of a nearly complete skeleton.
Note: Body and tail scales.