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Re: Nemegtian Tyrannosaurs



In a message dated 5/23/03 5:37:09 PM Pacific Daylight Time, uwrk@yahoo.com 
writes:

<< No, because tyrannosaurs are abnormally abundant relative to herbivores in 
the Nemegt. There had to have been a preservational bias.Young tyrannosaurs 
suffered higher mortality than adults because their lesser body mass caused 
them to heat up more quickly in times of drought. A juvenile specimen with the 
opisthotonic posture has long been known. >>

So why doesn't this same bias affect Tyrannosaurus rex?

I think this is just handwaving.