Chasmosaurus was 17 foot long, long frilled ceratopsian.
FactsEditChasmosaurus inhabited North America during the late cretaceaous period. It was one of the first long frilled ceratopsians. It was related to triceratops, centrosaurus and torosaurus. Although smaller than its' cousins this animal was the size of a rhino. It was preyed on by tyrannosaurs like daspletosaurus.