Re: some help, please

["T. Mike Keesey" <tmk@dinosauricon.com>]

On Sun, 19 Mar 2000, Larry Febo wrote:

> >3.  I would like to know what pterosaurs would have lived at the same time
> >as Albertosaurus sarcophagus (libratus?).
> 
> Well,...I`m no expert on that Late Cretaceous stuff, but,...if Albertosaurus
> sarcaphogus is Late Campanian-Maastrichtian, then possible candidates (as
> gleaned from Wellnofer`s excellant book on Pterosaurs) would have to be
> :Nyctosaurus and possibly Pteranodon, if this T-Rex hung out in Kansas. Also
> a possibility is with Quetzalcoatlus in a Texas-New Mexico setting.
>  Hmmm.....I wonder if Nyctosaurus (or Pteranodon for that matter) was able
> to outmanoeuver and harass the larger Quetzl, and keep him out of Kansas???

_Pteranodon_ and _Nyctosaurus_ were Santonian, not Campanian. A tad
earlier.

A possible Brazilian species of _Nyctosaurus_ is Campanian-Maastrichtian.

Most pterosaurs were gone by the Campanian and Maastrichtian. Most that
were left were fairly large, the birds having taken over smaller niches.

-- T. Michael Keesey .................................. <tmk@dinosauricon.com>
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