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Re: Details on Eoenantiornis



reversed hallux (also in Microraptor).
I've just got the Nature paper. Microraptor has distally placed and long halluces (both more so than in Archaeopteryx), but they are definitely not reversed. Of course, I can't judge whether it may have been revers*ible*, and preservation is another issue...
 
BTW, what arguments are there to exclude alvarezsaurids from birds? The prokinetic skull of Shuvuuia seems clearly avian to me.