Othnielia was a small therapod dinosaur from North America. It was a bipedal herbivore that lived in forests and open woodland. It would of lived with giant sauropods live Brachiosaurus, Camarasaurus, Diplodocus and Apatosaurus. Also hunted by the large therapod carnivores of Allosaur and Ceratosaurus. As well as the armored dinosaur Stegosaurus and the eyes of Camptosaurus and Dryosaurus.