Unlike most other centrosaurine ceratopsians, the Diabloceratops had very long horns above its eyes and a short nose horn, similar to the Triceratops, Kosmoceratops, and Utahceratops.
This animal also had a deep snout compared to other members of this group of horned dinosaurs.
Like all ceratopsians, Diabloceratops had a beaked mouth for feeding on plants.
The ‘Diablo’ part of the name means ‘devil’ in Latin, which is a reference to the large pair of upward horns on the back of its frill. It lived 85.5-80 million years ago.