Species: hsui YOUNG, 1944
Etymology:

Holotype: Cenozoic Research Laboratory No. V. 71

Locality: Huangchiaten, about 1 km north of sliawan, Lufeng, Yunnan Province, China.

Horizon: Dark Red Beds, Lower Lufeng Formation.

Biostratigraphy:

Age: Sinemurian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material: Anterior end of dentary with 1 tooth.

Note: Lost or destroyed during WW II

Platyognathus hsui (modified from Young, 1944).

Neotype: IVPP V8266

Locality: About 10 m west of the intersection of the roads from Zhangjiawa to Dadi and from Dawa Elementary School to Dahuangtian, Yunnan Province, China.

Horizon: Stratum 6 (middle of Dark Red Beds) of Lower Lufeng Formation.

Biostratigraphy:

Age: Sinemurian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material: Rostral portion of snout with tightly oppressed partial mandible.