Holotype: SBEI-020

Locality: Kuwajima “Kaseki-kabe” (Fossil-bluff), Shiramine, Ishikawa, Honshu Island, Japan.

Horizon: Kuwajima Formation, Tetori Group.

Biostratigraphy:

Age: Valangian or Hauerivian Stage, Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material: Nearly complete dentary with teeth.

Referred material:

SBEI-006: Dentary with 7 teeth.

SBEI-015: Fragmentary dentary with 2 molars.