
02-06-2009, 04:59 PM
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Pixie's Resident Reptile
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Join Date: Jul 2002
Location: Central MD, USA
Posts: 21,194
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Quote:
Originally Posted by Oldfart
As this fossil was dated at 60mya, was the species a survivor of the great extinction or an opportunist filling a niche?
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The K/T boundry is put at 65 mya: so, this would have popped up about 5-7 million years later. Definitely not a crossover. There's some speculation that the presence of large theropods during the Cretaceous would have kept something like this from evolving; exclusionary niche, and all that.
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