Species: youngi RUSSELL & DONG, 1993
Etymology: In honour of Chung-Chien Young (Yang Zhong Jian) for the number
and breadth of his contributions to our understanding of the fossil reptiles
of China.
Holotype: IVPP V9612
Locality: Exposures of cross-bedded red sandstone 0.7 km west of Muhuaxiao Village (39’36”N, 108’41”E). The village is in turn 4.1 km west of the town of Duguijiahan, Inner Mongolia (Nei Mongolia), China.
Horizon: Ejinhoroqi Formation.
Biostratigraphy:
Age: Late Early Cretaceous.
Material: Complete skull and skeleton of a juvenile.
Note: Has a furcula.
Note: Paleopathology, left metatarsal I has a bony callosity at mid length.
AZUMA, 2005
FPDM-V7218, V7219: Cast of skeleton.