Evidence of Combat in Triceratops
Figure 3
Example of a fracture callus in Centrosaurus.
Arrows indicate a lesion on the ventral surface of the isolated right squamosal (an incomplete element) of TMP 82.18.108 (Royal Tyrrell Museum of Paleontology, Drumheller, Alberta, Canada), in ventral view. The inset skull graphic indicates the approximate area of the photograph with a gray box.