Genus: “Hironosaurus” HISA, 1988
Etymology: In reference to Hirona, Fukushima, Japan.

Species:
Etymology:

Holotype:

Locality: Hirona, Fukushima Prefecture, Honshu Island, Japan.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Teeth and a ?caudal vertebrae.