The Ceratopsidae family consists of herbivorous dinosaurs known for their distinctive frills and horns. They lived during the Late Cretaceous period, primarily in what is now North America and parts of Asia. Some well-known members include Triceratops and Styracosaurus. These dinosaurs were quadrupedal, meaning they walked on all four legs, and they had beak-like mouths adapted for chewing tough vegetation. Ceratopsids are characterized by their large skulls, which often featured elaborate bony structures. These features likely served various purposes, including defense against predators and social signaling among individuals. Fossil evidence suggests that they lived in herds, which may have provided additional protection from threats.