Styracosaurus Was a Cretaceous Period Ceratopsian Syracosaurus, a member of the Centrosaurinae family, lived in the woodlands of North America in the late Cretaceous Period about 75 million years ago. This herbivore was amongst one of the last major dinosaurs to evolve before the end of the dinosaurs in the Cretaceous-Tertiary extinction. Named Styracosaurus (pronounced […]
Ceratopsia
Chasmosaurus
Chasmosaurus was a Creataceous Period Ceratopsid Dinosaur Chasmosaurus, pronounced “KAZ-mo-SAWR-us”, is a North American dinosaur that lived during the upper Cretaceous period, about 70-75 million years ago. Its name is from the Greek words meaning “cleft” or “opening” and “lizard”. The name refers to the fenestration in the frill around its neck. It was part […]