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Re: Dino feathers=Ptero fur?

Does anyone know if any theropod skin impressions besides 
_Carnotaurus_, _Harpymimus_(?), and _Archaeopteryx_ are known? (besides 
modern birds, of course)

If _Carnotaurus_ didn't have feathers, does this necessarily mean that 
feathers must have developed after the ceratosaurs split from the 
tetanurines, or could it be that theropods (or dinosaur in general) beyond a 
certain size didn't need an insulating coat any more (as in elephants, 
rhinoes, etc.)

-T. Mike Keesey
         \_There you go, Mr. Nedin