Re: ceratopsian reconstruction

[pharrinj@PLU.edu]

On Tue, 16 Jan 1996 ArtSippo@aol.com wrote:

> After reading McLoughlin's book I went back to look at the ceratopsian
> exhibits in the AMNH in Manhattan.  Low and behold there were 2 fenestra just
> behind the eyes at the base of the frill which in the protoceratops specimens
> wasa filled in with plaster!  All of the ceratopsian skulls had them and they
> were consistent with paths for tendons from muscles attached to the frills.
>  If you look at the frills, there appears to be muscle insertions along the
> edges.  Also, most of the more advanced ceratopsian frills had fenestrae in
> the main portion of hte frill which light have allowed for muscles expansion
> during contraction.  
> 
> What sayeth the professional cognoscienti?
> 
> Art
> 

I couldn't tell you what the prfessional COGNOSCENTI say, but last I 
heard those muscle attachment points were for JAW muscles coming through 
the skull.