It's a very unusual skull with this crest coming off it. It doesn't immediately shout tyrannosaur when you first see it.

It's a very unusual skull with this crest coming off it.

It doesn't really shout out tyrannosaurus when you first see it. That's because it is really a primitive tyrannosaur.

Based on similar ornaments found in extinct vertebrates, we think the primary function of the crest was to make the animal more attractive to other members of its species.

And when they were come unto a place called Golgotha, that is to say, a place of a skull, / They gave him vinegar to drink mingled with gall: and when he had tasted thereof, he would not drink.

It is really unusual to find small dinosaur footprints,