Rebbachisaurus
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Rebbachisaurus |
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Extinct (fossil)
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Rebbachisaurus was a sauropod of the superfamily Diplodocoidea up to 20 meters (68 ft) long and lived in the Late Cretaceous period about 99 million years ago. This massive four-legged plant-eating animal had a small head, a long, graceful neck and a whiplike tail. Rebbachisaurus is distinguished from other sauropods by its unusually tall, riged back. Some scientists think it may even have carried a sail or fin on its spine. The discovery of Rayososaurus, a South American sauropod nearly identical to Rebbachisaurus, supports the theory that there was still a land connection between Africa and South America during the Early Cretaceous, long after it was commonly thought the two continents had separated.