Coahuilaceratops Facts
| Diet | Herbivore |
| Height | 2.5m |
| Length | 7m |
| Weight | 4 tonnes |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ceratopsian |
| Location | Mexico |

| Diet | Herbivore |
| Height | 2.5m |
| Length | 7m |
| Weight | 4 tonnes |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ceratopsian |
| Location | Mexico |
Coahuilaceratops was a large ceratopsian dinosaur that roamed the coastal plains of what is now northern Mexico during the Late Cretaceous period, approximately 71.5 to 70.5 million years ago. This impressive herbivore was one of the largest horned dinosaurs ever discovered in Mexico, measuring about 7 metres in length and standing 2.5 metres tall at the hips.
The most striking feature of Coahuilaceratops was its enormous skull, which could reach up to 2 metres in length. Its name, meaning 'Coahuila horned face', reflects both its discovery location in Coahuila state and its magnificent cranial display. The dinosaur possessed two massive horns above its eyes that curved forwards and upwards, along with a shorter nasal horn. Behind its skull sat an elaborate bony frill decorated with distinctive horn-like projections.
As a ceratopsian, Coahuilaceratops was perfectly adapted for processing tough plant material. Its powerful beak and rows of shearing teeth allowed it to slice through cycads, ferns, and early flowering plants that grew in the warm, humid climate of Late Cretaceous Mexico. The dinosaur's robust build and four sturdy legs supported its considerable weight as it browsed through the lush vegetation.
Coahuilaceratops lived in a diverse ecosystem alongside other dinosaurs, including duck-billed hadrosaurs and fearsome tyrannosaurs. Its impressive horns and frill likely served multiple purposes, from defending against predators to displaying dominance during mating seasons and territorial disputes with other members of its species.
Coahuilaceratops was distinguished by its exceptionally large skull measuring up to 2 metres long, massive forward-curving brow horns, and an elaborate frill decorated with distinctive horn-like projections. Its enormous size made it one of the largest ceratopsians known from Mexico.
Coahuilaceratops likely lived in herds for protection against large predators, using its impressive horns and frill for both defence and social displays. The elaborate cranial ornamentation suggests it engaged in head-to-head contests with rivals and elaborate courtship rituals during mating season.
| Phylum | Chordata |
| Class | Ornithischia |
| Family | Ceratopsidae |
| Genus | Coahuilaceratops |
Coahuilaceratops was first described by Mark Loewen and Scott Sampson in 2010. The original fossils were discovered at Cerro del Pueblo Formation, Coahuila, Mexico.