Re: Dinosaur beaks

[David Marjanovic <david.marjanovic@gmx.at>]

HP Jaime Headden wrote: 
 
> <it would be easily derived that this basal bird would have had a much 
> larger rhomphotheca in general, relative to other basals... Hence, a 
> higher degree of preservation.> 
>  
>   How so? Of the hundred or so catalogued *Confuciusornis*, only two or 
> three are known to heave ANY rhamphotheca. 
 
OK, that's it. That's what falsifies my argument that because all of the 
several specimens of *Archaeopteryx* and *Microraptor* preserve claw 
sheaths, they should preserve rhamphothecae, too. 

-- 
+++ GMX - Mail, Messaging & more  http://www.gmx.net +++
Bitte lächeln! Fotogalerie online mit GMX ohne eigene Homepage!