Skin pathology in the Cretaceous: Evidence for probable failed predation in a dinosaur

Examination of preserved skin from a duckbill dinosaur revealed disruption of the normal scale pattern and replacement by granulation tissue. Wrinkles radiating outward from the scar document wound contraction similar to that seen in modern injuries. This is the first unequivocal report of dinosaur tissue response to dermal pathology and evidences behavior – escape from a predator.