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Re: A New Hypothesis for the Origin of Flight?
> And still, it isn't reverted except in and very close to Pygostylia. Even
> that of *Microraptor* doesn't originate at the same level as the other
> is pretty short for a bird, and is probably not (fully) reverted.
See the last paragraph of www.peabody.yale.edu/exhibits/cfd/CFDprot.html and
the photo at the bottom of www.peabody.yale.edu/exhibits/cfd/CFDconfu.html
for what I mean. The latter appears to be the minimal version of what an
arboreal dinosaur should have: lengthened penultimate phalanges, the hallux
originating as far distal as the other toes, hallux claws of about the same
size as all others.