Species: palatinus WU & BRINKMAN, 1992
Etymology: In reference to the palatines that extend posteriorly far beyond the suborbital fenestrae.
Holotype: RTMP 91.101.1
Locality: Gilchrist Ranch, SW 1/4, Tp 1, Rg11, W4, Warner County, southern Alberta Province, Canada.
Horizon: Upper Milk River Formation.
Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: A partial skull including postorbital region and braincase, and
an incomplete cervical vertebra.