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Re: Ceratopsian Shield Holes

On Thu, 11 May 1995, Stan Friesen wrote:

> In life the holes would have been "filled" by living tissue.
> This is why it is pretty much out of the question that these
> "shields" were used for protection - they would have been as
> susceptible to damage as the stuff they were supposedly protecting.

But much less vital.  A bite or blow from a large theropod might only be 
a flesh wound to a ceratopsian, when without the shield it would have had 
a broken neck or a severed carotid.  IMHO.
                                                                Bill Adlam