Late Cretaceous

Campanian 83 - 74 mya

Judith River Montana

Broadly North American horned dinosaurs come in two types chasmosaurs and centrosaurs. Centrosaurines generally had short brow horns and relatively shorter frills, and often had long spines projecting from their frills. Chasmosaurs had prominent with brow horns and long frills lacking long spines.

DC Home Judith River
go to top of page
Late Cretaceous