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RE: Pneumatization




On Tuesday, September 07, 1999 8:19 AM, Jeffrey Willson 
[SMTP:jwillson@harper.cc.il.us] wrote:
>
>  Toby White <augwhite@neosoft.com>  posted  -- re  taxa showing
> pneumatization:
>
> >Croc skulls as well.
>
> Interesting!  Anybody have a ref on this?  What about all the various
> extinct crocodiloformes?

I got this from Carroll (1988) at p.278.  He cites NN Iordansky in Gans & 
Parsons Biology of the Reptilia 4 (1973).

> My apologies if this was discussed on list already, but how about Scipionyx?
> (list archive references?) (I just did a quick archive search & didn't find
> anything ...)
>
> What about variations in modern birds? What about extinct birds?

Pneumatization in modern birds isn't necessarily related to respiration.  In 
fact, I don't think bone pneumata (is this a word?) are part of the normal 
respiratory system at all.  However, someone else will know better than I.

> Heck, I guess what I'm asking is, "anybody know of a Survey of
> Pneumatization?"

Surely there's some air-head out there ...

> Thanks --
> Jeffrey Willson <jwillson@harper.cc.il.us>
>
>
>
>