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Re: bauplan convergence and stratigraphic data (was:100% goose-free responses)

Thanks for this great input.  You are convincing about re-evolving teeth
and arms.  But this is only for meat eaters.  Moa showed that large forms
could exploit folivory in the absence of predation by mammals.  Or, are we
back to a competition/predation argument--in a Serengeti eat-off, would
mammalian herbivores out-perform all possible toothless
dinomorphs.  remember that many dino species also had beaks.  Then there 
is Harpagornis preying on moa--so the beak/no arms form may not be such a
limitation for meat-eating either.  I would be interested in your thoughts
about this.
John Bois