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Re: Tail fans

On Mon, 8 Mar 1999, Raymond Thaddeus C. Ancog wrote:

> Dromaeosaurs may not have had tail fans at all. Cladistics places them as a
> sister group to the clade that already imcludes Caudipteryx and
> Protarchaeopteryx, 

Not anymore!  Most recent studies classify _Caudipteryx_ as a basal
oviraptorosaur (which branched off the bird lineage _before_
dromaeosaurs_) and _Protarchaeopteryx_ as something close to the ancestry
of both dromaeosaurs and birds.

Nick Pharris
Pacific Lutheran University
Tacoma, WA 98447