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Re: Tarsitano's challenges



Jaime Headden wrote-

> <(1) the absence of a siphonium and pneumatic quadrate
> in all coelurosaurs;>
>
>   Oviraptorids have pnuematic quadrates (Maryanska and
> Osmolska, 1996)

Not to mention tyrannosaurids, some ornithomimids and troodontids.  Also,
Confuciusornis lacks this character.

Mickey Mortimer