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Re: Feathers on Bloody Everything

Ronald Orenstein wrote:
> The time-line argument is meaningless - not just for the reasons I gave
> earlier, but because Sinosauropteryx is coeval with Caudipteryx.  This
> means that the time-line tells us nothing about which of these two animals
> had the more derived integumentary structures. 
        He is completely correct.  There is ZERO evidence for a temporal 
seperation between Sinosauropteryx and Caudipteryx.  Or Protarchaeopteryx 
for that matter.

Josh Smith
University of Pennsylvania
Department of Earth and Environmental Science
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