Scientists have found a surprise in rock left over after the fossilized bones of a famous Tyrannosaurus rex were extricated in the 1990s — teeth from a previously unknown species of shark.
http://bit.ly/2FGvrg0
Scientists have found a surprise in rock left over after the fossilized bones of a famous Tyrannosaurus rex were extricated in the 1990s — teeth from a previously unknown species of shark.
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