[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: pterosaur crest extensions

For some.  Particularly for those with very long, relatively inflexible
necks.  I'm not saying that there was no keratin, only that there would
likely be physical limits on it because of the potential for flow
reversal problems.

Aegyptiacus@aol.com wrote:
> So you think, I assume, that the proportions of the keratinous crests
> could be a problem for those critters (being frontal, maybe)?
> Jean-Michel