
Rayososaurus is a genus of plant-eating sauropod dinosaur 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). The type species is R. agrionensis, named by Argentinian paleontologist Jose Bonaparte in 1996. There is some debate whether Ra...
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http://en.wikipedia.org/wiki/Rayososaurus

Rayososaurus Rayoso Formation lizard from Early or Middle Cretaceous Argentina. It was named for the Middle Cretaceous Rayoso Formation, where the specimen was found in Neuquen Province, Patagonia, Argentina. Named by Argentinian paleontologist José Bonaparte in 1995 or 1996.
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http://www.wordinfo.info/words/index/info/view_unit/2727/28
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