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Re: Question about Archaeopteryx's (non) reversed hallux



I still have one more question though. Is a retroverted hallux a trait
that's shared in all theropoda or only dromaeosaurs?

No theropods except Scansoriopterygidae and Ornithothoraces have reversed halluces, in spite of earlier mistaken reconstructions. *Confuciusornis* has medially directed ones -- the intermediate condition.