noun
- A group of herbivorous dinosaurs characterized by a bony frill on the back of the skull and often horns on the face, including Triceratops.
Usage: plural form; paleontology; scientific classification
Examples
- Ceratopsians were among the last dinosaurs to roam Earth before the mass extinction event.
- The museum's fossil collection includes several well-preserved ceratopsian skulls.
- Triceratops is one of the most famous ceratopsians ever discovered.
- Scientists study ceratopsians to understand how horned dinosaurs evolved and adapted.
- Many ceratopsians lived during the Late Cretaceous period in North America.