Re: What is a Dinosaur? and semilunate carpal

[Dinogeorge@aol.com]

In a message dated 9/6/01 5:23:37 PM EST, mbonnan@hotmail.com writes:

<< Therefore, the rigidity of the dinosaurian forearm, regardless of the BCF 
or 
 birds after dinosaurs scenario, probably developed >prior< to the evolution 
 of flight or even bipedalism.  Whereas rigidity became a means for achieving 
 stable forelimbs in flight and/or predation later on, this rigidity was 
 already present in the ancestors to dinosaurs. >>

I know. I have archosaurs in the trees even before the divergence of the 
crocs, and before the appearance of bipedalism.