Re: Richardostesia teeth

[David Marjanovic <david.marjanovic@gmx.at>]

> > Are there any other animals that have both serrated and unserrated teeth
> > within a species?
>
> Yes.  Among theropods- coelophysids, juvenile tyrannosaurids, most basal
> coelurosaurs, Microraptor and Graciliraptor.

That is to say, they have unserrated teeth at the tips of the jaws and 
serrated ones elsewhere.

*Sinornithosaurus* has a few unserrated ones, IIRC, near the tips, but not 
quite there.