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The skull of Ceratogaulus rhinocerus. (a) Lateral view showing the shape and position of the distinctive nasal horns. Important parts of skull morphology are labelled. (b) Anterolateral view showing the morphology of the paired horns. American Museum of Natural History specimen F: AM 65489, Ainsworth Prospecting Locality, Barstovian NALMA Brown County, Nebraska. Scale bar, 1 cm.
