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Re: Details on Ricardoestesia isosceles

> >     Have such indented teeth (waisted?) been found in other non-avian
> >theropods?
> Assuming that the indentation of the crown is the same as the constriction
> of the tooth between the crown and the root described in birds (and, as
> as I can see, it is difficult to tell from the figures), then, yes,
> teeth have been reported for _Microraptor_, troodontids, and
> _Pelecanimumus_.  (And segnosaurs/ therizinosauroids too?)

Interestingly, *Archaeopteryx* hardly has these constrictions... (Elzanowski
& Wellnhofer 1996 _contra_ BAND).