17 Most Terrifying Extinct Sharks in Earth’s History (Including a 60-Foot Giant)
Sharks have ruled the oceans for over 400 million years, and some of their extinct relatives were straight-up monsters. We’re talking jaws the size of couches, teeth like steak knives, and enough bite force to crunch through bone and shell like candy. These weren’t your average great whites—some reached 60 feet long and made today’s …