Re: Feathers on Bloody Everything

[smithjb@sas.upenn.edu (Joshua Smith)]

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
471 Hayden Hall
240 South 33rd Street
Philadelphia, PA  19104-6316
(215) 898-5630 (Office)
(215) 898-0964 (FAX)
smithjb@sas.upenn.edu