The scientific family name for horned dinosaurs, a group that includes famous species like Triceratops and Styracosaurus.
From Greek 'keras' (horn) + 'opsis' (appearance) + Latin '-idae' (family suffix). Created in the late 19th century as a formal taxonomic designation for this dinosaur group.
Ceratopsidae represents one of nature's greatest design experiments in defensive features—some species had massive horns over 3 feet long, bony frills that could have blood vessels for display, and even nose horns that they may have used like battering rams.
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