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Re: How Did Hadrosaurs Survive? (Was: Hadrosaur "mummy" questions)
Tim Donovan wrote:
> Hadrosaur diversity apparently waned with the advent of T. rex.
But around the time _T. rex_ appeared, around the Maastrichtian, *all*
dinosaur diversity seems to have been waning. Didn't _Triceratops_ alone
make up 70% of some entire fauna in those times?
--
--Sean
http://www.livejournal.com/users/spclsd223/