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Re: John Bois on Armadillos at the K/T!
On Tue, 2 Oct 2001, Ray Stanford wrote:
> John Bois said, "Pterosaurs occupied the flying diurnal niche--they were
> summarily booted out of it by better competitors (birds)."
> Come on John, either provide us a credible reference for that remarkable
> statement, or confess the use of a retrospective crystal ball.
As with so many things, there is no evidence to be had. You're right, I
was being informal--but, and correct me if I'm wrong, I believe most
workers would hazard this cause as their first choice.
> Since when is a six-mile-across cosmic object definable as birds? :)
All but a few Pterosaurs were booted out of their niche by something well
before the bolide. I mean pterosaur diversity was much greater
earlier. Do you need a reference for that?