Barosaurus is an extinct genus of giant, long-tailed, long-necked, plant-eating sauropod dinosaur closely related to the more familiar Diplodocus. Definitive remains have been found in the Morrison Fo
Life reconstruction of an individual rearing up to defend itself against a pair of Allosaurus
ROM 3670 (nicknamed Gordo), Royal Ontario Museum skeleton, Toronto
One of the original tail vertebrae in multiple views
Dryosaurus is an extinct genus of herbivorous ornithopod dinosaur that lived in the Late Jurassic period. It was an iguanodont. Fossils have been found in the western United States and were first disc
Cast of the D. elderae holotype skull
D. elderae holotype skeleton (front) with Ceratosaurus, Carnegie Museum