Genus: Regaliceratops BROWN & HENDERSON, 2015
Etymology: Latin, regalis, "royal" and Greek, ceratops, "horn face." The adjective "royal" refers to the crown-shaped parietosquamosal frill and epiossifications and the Royal Tyrell Museum of Palaeontology (the "Royal" appellation was bestowed on the museum in 1990 by Her Majesty Queen Elizabet II).

Species: peterhewsi BROWN & HENDERSON, 2015
Etymology: In honor of Peter Hews, who discovered the holotype.

Holotype: RTMP 2005.055.0001

Locality: Along the Oldman River in the area of Waldron Flats, approxmately 164 km south of Calgary, Alberta Province, Canada.

Horizon: Uppermost St. Mary River Formation, and lowermost Willow Creek Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.

Material: Nearly complete skull.