| http://www.w3.org/ns/prov#value | - Dinosaurs were an extremely varied group of animals; according to a 2006 study, over 500 dinosaur genera have been identified with certainty so far, and the total number of genera preserved in the fossil record has been estimated at around 1850, nearly 75% of which remain to be discovered.[3] An earlier study predicted that about 3400 dinosaur genera existed, including many which would not have be
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