On Wed, 29 Sep 2010 09:01:56 -0600, Emiliano Bussolo <[log in to unmask]>  
wrote:

>>> I don't think early humans would have existed very long on seashells.
> :-)
>
> Not exclusively, no, but they may have played a much more important role
> than commonly believed.
I think there is a language problem here:
shellfish vs seashells (the things made of calcium carbonate that hold the  
shellfish)

	Lynnet