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Re: Pygostyles in Pterosaurs

At 12:40 PM 07/07/2000 -0700, Jaime A. Headden wrote:
the reason for this little tidbit is a question:
What's the anuran urostyle for?
Perhaps for the attachment of tail-wagging muscles in tadpoles? Ascaphids and Leiopelmatids (I think) retain vestiges of such muscles in adulthood.
Ronald I. Orenstein Phone: (905) 820-7886
International Wildlife Coalition Fax/Modem: (905) 569-0116
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