- Famous ‘Big John’ Fossil Is More Evidence That Triceratops Fought Each Other Gizmodo Australia
- Big John, world's largest Triceratops, got mauled by a rival dinosaur, fossils suggest Livescience.com
- Traces of Dirty In-Fighting Have Been Found on This Massive Triceratops ScienceAlert
- A triceratops called Big John seems to have been stabbed in the head New Scientist
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