dinosaur skeleton set diplodocus, triceratops, t-rex, stegosaurus, parasaurolophus.

ancestor art black bone brontosaurus chalk color crystal dimensions dinosaur diplodocus diploma draw era extinction fern forefather fossil giant gigantism giraffe historical history iguanodon illustration isolated jurassic length long majesty mesozoic monster mound neck nessie paleontology parasaurolophus progenitor reptile rex science set size skeleton skull spine stegosaurus tail tree triceratops vector white