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Re: Question on Anchiornis huxleyi
Thomas R. Holtz, Jr. <email@example.com> wrote:
> Ultimately it is far less significant to resolve
> whether Archaeopteryx &/or Anchiornis &/or Aurornis &/or Xiaotingia &/or etc.
> are basal
> avialians or basal deinonychosaurs or so forth. Instead we should recognize
> that we have
> very likely homed in on the morphotype which gave rise to both the
> and the bird-line.
I couldn't agree more. Alas, while the morphotype of this
dromaeosaurid/bird ancestor is being nailed down, the ecotype is still
open to vigorous debate. Was this ancestral form terrestrial or
arboreal? Did fly, or not fly? Was it a predator, or a herbivore,
or both (omnivore)?