Argentinosaurus is a genus of titanosaur sauropod dinosaur first discovered by Guillermo Heredia in Argentina. The generic name means "silver lizard", in reference to the country in which it was discovered ("Argentina" is derived from the Latin argentum). The dinosaur lived on the then-island continent of South America somewhere between 97 and 94 million years ago, during the mid Cretaceous Period.
April 14th, 2012
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