Species: zoui JI, CURRIE, NORELL & SHU-AN, 1998
Etymology: In honor of Zou Jiahua, vice-premier of China and an avid supporter of the scientific work in Liaoning.

Holotype: National Geological Museum of China, NGMC 97-4-A

Locality: Sihetun, Shangyuan, area near Beipiao City, Liaoning Province, China.

Horizon: Horizon 1, Lower part of the Yixian Formation (Jiulongsong Member, Chaomidianzi Formation), Jehol Group.

Biostratigraphy: Psittacosaurus Fauna, Confuciusornis Avifauna.

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

Material: Fragmentary skull and fragmentary skeleton with feather impressions and gastraliths.

Note: Has furcula.

Paratype:

NGMC 97-9-A: Fragmentary skull and fragmentary skeleton with feather impressions.

NESBITT, TURNER, SPAULDING, CONRAD & NORELL, 2009

BM 1001, IVPP V12430: Fragmentary specimens.

Note: Has furculae.

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Species: dongi ZHOU & WANG, 2000
Etymology: In honor of Dong Zhi-Ming, a distinguished Chinese dinosaur expert.

Holotype: IVPP V 12344

Locality: Zhangjiagou, Sihetun, Beipiao City, Liaoning Province, northeast China.

Horizon: Layer 6 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: An incomplete individual with nearly complete forelimbs, hindlimbs and pelvis. Feather impression on the underside of the arms and integument impressions on the body.
Note: Several gastroliths were found in the body cavity.