Do we know for certain that Triceratops' cheekbones stuck out like a spike? What if it had fat around it like a hippo has on its lower jaw? : r/Dinosaurs
Triceratops
Triceratops | Natural History Museum
Triceratops - Wikipedia
A gigantic guide to the mighty triceratops - BBC Science Focus Magazine
Triceratops tussle: 'Big John' skull shows signs of battle, scientists say