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On Tue, 6 Feb 1996, th81 wrote:
> >3. Did _Mononykus_ and the other alvarezsaurids have an arctometatarsalian
> >pes? I seem to remember reading that somewhere... If so, does that show
> >that birds are descended from arctometatarsalians, not maniraptorans?
> Mononykus and "Ornithomimus" minutus have an arctometatarsus: I can show you
> the slides of these. Alvarezsaurus does not. I do not know the condition
> of the foot of Patagonykus.
> If "Alvarezsauridae" is monophyletic, then the arctometatarsus probably
> evolved independantly in this clade.
What *does* the foot of _Alvarezsaurus_ look like? How robust is the
case for placing _Mononykus_ and _Patagonykus_ in the Alvarezsauridae?
> Thomas R. Holtz, Jr.
> Vertebrate Paleontologist
Pacific Lutheran University
Tacoma, WA 98447
"If you can't convince them, confuse them." -- Harry S. Truman