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Re: Study Backs Quick End of Dinosaurs

In a message dated 5/31/00 4:58:12 PM EST, twilliams_alpha@hotmail.com writes:

<< (Unserrated premaxillary D-shaped teeth considered to be diagnostic for 
the genus _Aublysodon_, though I wonder if the serrations were worn down by 
wear or if the teeth were swallowed and smoothed down by stomach acid.) >>

They're evidently diagnostic for the tyrannosaurid subfamily that includes 
Aublysodon, not just Aublysodon itself. Don't believe there's any evidence 
that the serrations are worn away by digestive action.