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Re: What is a Dinosaur? and semilunate carpal
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.