Expand the dinosaur category options

Close the dinosaur category options

Expand the dinosaur A-Z category

Close the dinosaur A-Z category

Expand the dinosaur time period category

Close the dinosaur time period category

Expand the dinosaur country category

Close the dinosaur country category

Expand the type of dinosaur category

Close the type of dinosaur category

Expand what they ate dinosaur category

Close what they ate dinosaur category

Chasmosaurus

Chasmosaurus

Pronunciation:: KAZ-mo-sore-us
Name meaning:: 'chasm lizard'

Chasmosaurus

ceratopsian silhouette

Type of dinosaur:: ceratopsian
Length:: 5.0m
Weight:: 2500kg

Diet:: herbivorous
Teeth:: horny beak
Food:: plant material
How it moved:: on 4 legs
When it lived:: Late Cretaceous, 76-74 million years ago
Found in:: Canada

Chasmosaurus had a small nose horn, blunt brow horns and a long neck frill with holes.

Taxonomic details

Taxonomy:: Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsidae, Chasmosaurinae
Type species:: belli

Dinosaur gifts

Check out the range of dinosaur toys, games, books and clothes in the Museum shop.

Dippy on Tour

Find out the many ways you can join Dippy the Museum's famous Diplodocus cast on his natural history adventure.

Dinosaurs gallery

Roarrr. Come face-to-face with some of the Museum's most famous dinosaurs.