Rayososaurus
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Extinct (fossil)
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Rayososaurus was a plant-eating sauropod of the superfamily Diplodocoidea. It was found in the Rayoso formation, in Patagonia, Argentina and lived about 99 million years ago (during the Early Cretaceous).
Fossil finds are only a scapula, femur and part of fibula. The racket-shaped scapula is characteristic of the Rebacchisauridae.
There is some debate whether Rayososaurus is indeed a separate genus. However, morphological and temporal differences tend to support its claim.
The type species is R. agrionensis.
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