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Re: Psittacosaurid hair!



>
>
>Well folks, ornithischian "hair" seems to be a
>reality. HP Michael Schmidt was kind enough to send me
>several nice photos of the integuments on a
>Psittacosaurus (?sp). The first word that came to mind
>was "porcupine." Whether or not the structures
>actually represent quill-like objects, they do seem to
>be thicker than I would imagine. I'm reluctant to
>presume all ornithodirans, or ornithischians, have
>this feature. I'm curious as to why this animal
>evolved the "hair" only on the dorsal surface of the
>tail, the rest of the body seemingly bare. Hopefully
>someone that has viewed other non-avian integumentary
>structures could comment on this specimen....

Amazing!!!Would you be able to scan these pictures? Thanks!

******

Robert Kiely, kielyrobert@hotmail.com

 

 



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