Hypsilophodon was initially thought to be arboreal (tree-dwelling), a belief later revised based on further fossil discoveries. elaborate
Giganotosaurus was bigger than Tyrannosaurus Rex. elaborate
Barosaurus had a tail so long it could act as a whip, potentially used for defense or communication. elaborate
Ankylosaurus's tail club could swing with the force of a sledgehammer. elaborate
Apatosaurus's neck wasn't as flexible as often depicted; it likely couldn't reach very high or bend very far. elaborate