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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
> eyes, and a pair of ridges along the top of the snout. These are
> 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,
> 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).
The peace of God be with you.