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Re: stegosaursthrout pouch

In a message dated 97-05-09 13:31:45 EDT, enrique@sn.no (DinosØMP) writes:

<< I guess that the stegosauria throut pouches, didn't just pop up at 
 _Stegosaurus_, somewhere it had to evolve from! Whith other stegosaurian 
 species had that bony pouch? Did perhaps the most primitive, 
 _Huayangosaurus_ have one? >>

I suspect that most if not all the stegosaurians had an ossicle-protected
throat pouch, and Tracy Ford has drawn their skeletons this way for
_Historical Dinosaurology_ #1.