Scientists Finally Figured Out What Helicoprion's Spiral Jaw Was Built to Kill

The spiral jaw of the Permian predator Helicoprion baffled paleontologists for a century until a CT scan solved the mystery. A single Idaho specimen changed everything. This is the real story of Helicoprion, the Permian predator with a whorl of serrated teeth built directly into its lower jaw. 0:00 The Mystery of the Spiral Teeth 1:24 Unlocking the Jaw's Secret 3:31 Hunting Strategies in Ancient Seas 5:45 Beyond the Shark Comparison 🦕 NEW GIANT EVERY FRIDAY - see the lost world rebuilt, one extinct giant at a time. Subscribe for more prehistoric fossil breakdowns. #prehistoric #science #documentary #ocean