Unidentified pelycosaur

The Unidentified pelycosaur was one of the animals seen in Jim Martin's storyboards for that did not appear in the final film. It was seen with a crested hadrosaur and an unidentifiable ornithopod gathered around an early design of the Jurassic World Monorail. Its identity is either carnivorous Dimetrodon or the similar looking herbivorous , though it is most likely the latter as the pelycosaur was with what appeared to be other herbivores.