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Camarasaurus was a, common, mid-sized, long-necked, herbivorous, dinosaur, (sauropod), that, lived, in, North, America, during, the, Late, Jurassic, Period, (approx. 150 million years ago). Known for its “chambered” vertebrae (giving it the

Zapalasaurus was a genus of basal diplodocoid sauropod dinosaur that lived in South America during the Early Cretaceous (approx. 130–120 million years ago). It was a long-necked herbivore, with fossils found in

Therizinosaurus was a massive, herbivorous theropod from the Late Cretaceous (70 million years ago) in Mongolia, characterized by the longest claws of any known animal—up to 3 feet ( ) long.