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Re: Forthcoming theropod paper of note on the manus

From: "Stephan Pickering"
(...)
> But, unless I am
> misreading the literature, it is presumed theropod
> hands consist of I, II, III. The recent embryological
> research may revise this, as avian embryos show five
> digits, with I and V lost. Could it be that theropod
> hands are not I-III, but II-IV?
(...)

It seems unlikely if Eoraptor lunensis and the herrerasaurids are theropods, but I recall in the SVP abstracts from 2001 that they might not be.

Can we really judge from neornithine embryos what the hands of their ancestors looked like?

Nick

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