Dryosaurus

Dryosaurus was a small plant-eating ornithopod dinosaur that lived in forests of western North America around 150 million years ago.Galton, P.M. & Jensen, J.A., 1973, "Small bones of the hypsilophodontid dinosaur Dryoraurus altus from the Upper Jurassic of Colorado", Great Basin Nature, 33: 129-132Kenneth Carpenter; Peter M. Galton (2018). "A photo documentation of bipedal ornithischian dinosaurs from the Upper Jurassic Morrison Formation, USA". Geology of the Intermountain West. 5: 167–207.

Its family, the Dryosauridae, were precursors (ancestors) of the Iguanodons, and lived from the Middle Jurassic to the Lower Cretaceous.

References

Category:Iguanodonts