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[no subject]

Oops, yep, that's right.
 > >
 > >Actually, many theropods have crests, it is just that they are
 > >usually *small*.   For instance, Tyrannosaurus actually has crests,
 > >in the form of low horny ridges above the eyes.
 > And the nose, as well.  Other tyrannosaurids have a slightly
 > pattern, and one (Alioramus) had a series of little nose hornlets
 > down its snout.

As would be expected for a species specific recognition mechanism.
 > > And Allosaurus
 > >has its own, different, pattern of horny ridges.
 > >
 > In the case of Allosaurus, there are two prominent "horns" in front
 of the
 > eyes, and a pair of ridges along the top of the snout.  These are
 best seen
 > in the Smithsonian's specimen.

That's about what I remembered, but without my references handy
I didn't want to too specific.
 > FYI, the primary difference between the crest of Crylophosaurus and
 > other theropods is that it is oriented perpendicular to the main
 axis of the
 > skull, not parallel.

Hmm, that sounds a bit like one of those odd South American forms,
perhaps, ?Carnotaurus?
 > Last I heard, Currie and Hammer regarded Cryolophosaurus as close to
 > Sinraptoridae (Yangchuanosaurus and Sinraptor), and thus not too far
 > Allosaurus.  I haven't seen the paper as published, yet, so they may
 > changed their minds.


I understand it has been published in the latest issue of either
Science or Nature (I can't remember which).

swf@elsegundoca.ncr.com         sarima@netcom.com

The peace of God be with you.