Diabloceratops Facts
| Diet | Herbivore |
| Height | 1.5m |
| Length | 4.5m |
| Weight | 1.3 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ceratopsian |
| Location | United States |

| Diet | Herbivore |
| Height | 1.5m |
| Length | 4.5m |
| Weight | 1.3 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ceratopsian |
| Location | United States |
Diabloceratops was a fascinating ceratopsian dinosaur that roamed the ancient landscapes of what is now Utah around 81 million years ago during the Late Cretaceous Period. This medium-sized herbivore measured approximately 4.5 metres in length and weighed about 1.3 tonnes, making it a moderately built but sturdy plant-eater that walked on four legs across the prehistoric terrain.
What made Diabloceratops particularly special was its distinctive skull ornamentation, which earned it the dramatic name meaning 'devil-horned face'. Like other ceratopsians, it possessed a bony frill extending from the back of its skull, but Diabloceratops had its own unique arrangement of horns and spikes that set it apart from its relatives. Its robust build and powerful jaws were perfectly adapted for processing tough prehistoric vegetation.
As a ground-dwelling herbivore, Diabloceratops would have spent its days browsing on ferns, cycads, and early flowering plants that dominated the Late Cretaceous landscape. Its discovery was groundbreaking for palaeontologists, as it represented the oldest known ceratopsid at the time and was the first centrosaurine ceratopsian found south of Montana, expanding our understanding of where these remarkable dinosaurs lived.
The single known specimen was discovered in the Grand Staircase-Escalante National Monument, a fitting location for such a significant find. This discovery has helped scientists piece together the evolutionary history of ceratopsian dinosaurs and their spread across ancient North America.
Diabloceratops possessed a distinctive skull with unique horn arrangements that gave it its 'devil-horned face' appearance. It had a characteristic ceratopsian frill extending from the back of its skull, combined with a robust, moderately-built body structure typical of medium-sized ceratopsians.
As a herbivorous ceratopsian, Diabloceratops likely lived in herds and used its powerful beak and teeth to strip and process tough plant material. Its horn arrangement may have been used for species recognition, establishing dominance within the herd, or defending against predators that shared its Late Cretaceous habitat.
| Phylum | Chordata |
| Class | Ornithischia |
| Family | Ceratopsidae |
| Genus | Diabloceratops |
Diabloceratops was first described by James Ian Kirkland and Donald DeBlieux in 2010. The original fossils were discovered at Grand Staircase-Escalante National Monument, Utah, USA.