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Re: Caudipteryx not a bird and more from APP



T. Michael Keesey wrote:

IIRC, the analysis in the first paper didn't include any previously
known oviraptorosaurs, or any previously known non-eumaniraptors, for
that matter, just dromaeosaurids, avialans, _Caudipteryx_, and
_Protarchaeopteryx_. CMIIW.

You're right; the analysis also included alvarezsaurids, but these were considered to be avialans. The analysis also did not recover _Caudipteryx_ coming out closest to _Protarchaeopteryx_, even though there's good evidence that both are oviraptorosaurs. (Of course, the _Incisivosaurus_ skull helped us enormously in figuring out what _Protarchaeopteryx_ might be.)