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Re: ORNITHISCHIANS :-)



In a message dated 6/10/01 6:16:52 AM EST, qilongia@yahoo.com writes:

<< Anything that isn't an ankylosaur, stegosaur, and some
 ornithopods, lack a cingulum. >>

So it's pretty much a marginocephalian apomorphy, yes? Or are you saying this 
is an ornithischian plesiomorphy?