journey to the jurassic: world of dinosaurs, extinct species with big, strong, toothy predators, prehistoric era and the

excavation trex paleontology prehistory spinosaurus scales teeth prehistoric cretaceous fossils carnivores velociraptor discovery ankylosaurus species mesozoic herbivores dino paleontological ancient giant history paleoart stegosaurus paleoimagery jurassic paleo sauropods reptiles museum paleontologist paleoecology bones dinosaurs claws paleoillustration pterosaur triassic dinosaur raptors extinct roar brachiosaurus fossilized triceratops tyrannosaurus evolution ai generated