The End Of “Frills”
Summary:
Ceratopsians of the Campanian and early Maastrichtian (above) had highly ornamented frills. Some taxa, such as Styracosaurus (above, left) and Diabloceratops (above, center) had spikes extending far beyond the margins of their frills. In others, such as Pentaceratops (above, top) the frills themselves were big and long. It appears the principal emphasis at the [...]
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