Re: ceratopsians and theropods cont.

[Dinogeorge <Dinogeorge@aol.com>]

In a message dated 98-04-08 16:04:50 EDT, th81@umail.umd.edu writes:

<< HOWEVER, please, Please, PLEASE get a hold of a T. rex tooth (or cast):
 advanced tyrannosaurine teeth are ANYTHING but blade-like.  It doesn't
 matter how many popular books (or paleontologists) call them "steak-knives":
 the teeth of advanced tyrannosaurines like Tyrannosaurus are half-again as
 thick side to side (or more) than they are front to back, and the serrations
 are offset (they don't run up the front and the back). >>

This is actually a tyrannsaurine synapomorphy: teeth incrassate. They're the
only theropods that have such thick lateral teeth.