Re: Phylogeny of Maniraptora

["James R. Cunningham" <jrccea@bellsouth.net>]

Tim Williams wrote:
>  However, the less mobile cylindrical joint provides greater stability for 
> the limb - an advantage when landing.

Doesn't that sort of depend upon the specific technique used during
landing?

> >Why do we always use binary logic?  What's wrong with trinary?
> 
> If you have another hypothesis, I'd love to hear it.

I'm not interested enough to attempt to develop one.  Only commenting
that I keep seeing forced binary hypotheses, which seems rather
constrictive to me.