Big John, world's largest Triceratops, got mauled by a rival dinosaur, fossils suggest

A keyhole-shaped lesion found in the frill of Big John, the largest Triceratops skeleton ever found, may have been made by a rival Triceratops.

Apr 8, 2022 - 00:00
Big John, world's largest Triceratops, got mauled by a rival dinosaur, fossils suggest
A keyhole-shaped lesion found in the frill of Big John, the largest Triceratops skeleton ever found, may have been made by a rival Triceratops.
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