Which dinosaur has 15 horns?

Which dinosaur has 15 horns? One, Kosmoceratops richardsoni, had 15 horns on its head, while the other, Utahceratops gettyi, had five.

One, Kosmoceratops richardsoni, had 15 horns on its head, while the other, Utahceratops gettyi, had five.
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