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Opposable fingers (was Re: Various subjects II

>>
I forgot one criticism ;-) : Why should the 3rd finger of a dromaeosaur
become opposable -- the 1st
already is?<<

I was under the impression that dromaeosaurs held their hands like
birds, with all of the fingers pointing inward.  I remember that, a
while back, some dromaeosaurs and troodonts were restored with opposable
fingers, but I thought that theory was debunked.

Dan