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RE: Tyrannosaur numbers

> -----Original Message-----
> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu] On Behalf Of
> don ohmes
> Sent: Tuesday, May 24, 2005 7:39 AM
> To: dinosaur@usc.edu
> Subject: Re: Tyrannosaur numbers
> It seems to me that there may be a slight positive
> preservational bias re tyrannosaurs. The old water
> hole was a logical place for that final fall for
> several reasons, and a good place to get fossilized.

I would argue a major positive collection bias, too, at least by some
collectors (and not just the commercial ones, I can assure you).