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Re: contemporaneous pterosaurs

T. Mike Keesey wrote:

>I don't think there *are* any Pterosauria from the Maastrichtian of
>eastern Asia. Closest things would probably be _Arambourgiania_, from
>Jordan, and _Quetzalcoatlus_, from North America. Pterosauria had just
>about been replaced by birds at that point.

Wouldn't we have to qualify that, because birds occupied the small-flyer
niches, while pterosaurs still held the medium- to large-flyer niches.

Raymond Thaddeus C. Ancog
Mines and Geosciences Bureau