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Pterosaur extinction (Re: extinction)
It's vastly easier to *falsify* the hypothesis that the K-T boundary clay
coincides with the extinction of pterosaurs, than it is to *prove* that
the K-T boundary clay coincides with their extinction.
It's that $$^&@ Signore-Lipps Effect raising its ugly head again!
On Mon, 19 Jan 2004 13:36:57 -0500 (EST) John Bois <email@example.com>
> When pterosaurs gradually disappear from the fossil record, and only
> very few species remain at the end, it is fair to exclude them from
> "vast, general, catastrophic extinction." To lump pterosaurs in
> with this
> is a vast, catastrophic, generalization. The simplest explanation
> here is that they were on their way out anyway--more likely due to
> competition, perhaps.
> On Mon, 19 Jan 2004, James R. Cunningham wrote:
> > Dewey M. McLean wrote:
> > > There was no vast, general, catastrophic extinction of life at
> the K-T
> > > boundary.
> > That's wonderful news.
> > I love pterosaurs. At which zoos can I find the best
> > collections? :-)
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