This undated image released by Rio de Janeiro Federal University, shows a new pointy-nosed prehistoric crocodile species that inhabited the Earth's oceans 62 million years ago. Brazilian scientists unveiled a model of the three meter (9 foot) long "Guarinisuchus munizi" Wednesday, March 26, 2008. Scientists say the discovery sheds new light on the evolutionary history of the extinct group, which was a predecessor to modern crocodile species. (AP Photo/ Rio de Janeiro Federal University)

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