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RE: dinosaur beaks and ora speeds
Tim Williams wrote "IMHO, _Alioramus_, Carcharodontosaurus_, _Majungatholus_
and other non-maniraptorans, by contrast, were not "beaked", but
nevertheless had a cornified zone expressed on the dorsal rostrum (perhaps
continuous with any pre- or postorbital ornamentation)"
So, we're talking about a possible horny covering across the nasals, but
nothing on the premax.?