changing nostril position in Tyrannosaurus rex; caption is below

Changing nostril position in Tyrannosaurus rex. The middle image is the traditional view with the nostril located more to the rear of the head. The image at lower right is a new restoration based on Witmer's study reflecting the forward position of the nostril. The image at upper left is the skull.

Copyright Science/Paintings by W. L. Parsons under the direction of L. M. Witmer

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