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Re: My comments on pterosaur extinction
On Wed, 7 Feb 2001, David Marjanovic wrote:
> Competition between Maastrichtian pterosaurs and birds is very hard to
Of course. I believe we were discussing the cause of the replacement of
pterosaurs by birds throughout the late Cretaceous, or whenever.
> Competition as a cause for background extinction may be quite common (I
> rather doubt it, but it has occurred), but IMHO it is totally unsuitable as
> a cause for any mass extinction.
Pterosaurs appear to be mostly gone before the K/T--so we're are not
necessarily looking for a mass extinction kind of cause.