Psittacosaur Skull (IMAGE)

University of Pennsylvania

Psittacosaur Skull

Caption

A 3-D scan of the skull of a psittacosaur dinosaur found in the Lujiatun beds of northeastern China's Yixian Formation shows only small-scale deformations. University of Pennsylvania researchers, however, found that differences in how a skull was buried could lead to specimens of the same species being categorized as separate species.

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University of Pennsylvania

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