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Re: Quo vadis, T. rex? [long]
> Why? Right now there are damn few skin impressions of theropods that can
> conclusively show anything. Absence of evidence is not (necessarily)
> evidence of absence. Given that 1) Dromaeosaurs were very closely related
> to Archaeopteryx and 2) Archaeopteryx had feathers it makes sense that all
> maniraptorans had feathers.
Why? You are assuming that feathers evolved in the common ancestor
of all maniraptorans. It could just have easily have been a later
innovation of one small group, which eventually led to Archaeopteryx.
Its largely a question of when feathers first appeared, something that is