http://en.wikipedia.org/wiki/NigersaurusNigersaurus (meaning "Niger lizard") is a genus of diplodocoid sauropod dinosaur from the middle Cretaceous period, about 119 to 99 million years ago that was described by Paul Sereno and colleagues in 1999. [1] It is one of the most common genera found in the rich fossil vertebrate fauna of the Elrhaz Formation, Gadoufaoua, in the Niger Republic,
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