Species: chingshankouensis YOUNG, 1961
Etymology:

Holotype: Field No. B-2, Cat. Number V. 2528

Locality: Daliba, Changchun, Chiling, Jilin (Kirin) Province, China.

Horizon: Chingshankou Formation, Chuantu Series.

Biostratigraphy:

Age: Late Cretaceous.

Material: A right lower jaw preserved in a core of marl.