The Evolution of Sharks | The Sharks That Ruled Oceans for 400 Million Years

🦈The Evolution of Sharks — The Sharks have dominated oceans for over 400 million years — long before dinosaurs even existed. From the buzzsaw-jawed Helicoprion to the massive Megalodon, dive into the epic evolutionary history of sharks that once ruled the ancient seas of North America.
🔬 Discover how these apex predators adapted, survived extinctions, and helped shape marine ecosystems from Appalachia to the Pacific Northwest.
🎥 If you think you know sharks… think again. This is the real story of survival, science, and prehistoric dominance in American waters.

Chapters:
0:00 – Intro
0:25 – The Beginning – When Sharks Were Born
0:58 – Age of Innovation – The Carboniferous Explosion
1:29 – Surviving the First Mass Extinction
1:57 – The Rise of Modern Shark Features
2:25 – The Great Dying – Permian Mass Extinction
2:55 – Jurassic Seas – When Dinosaurs Ruled the Land
3:20 – The Cretaceous Expansion – The Prehistoric Apex Hunters
3:52 – The Asteroid and Aftermath – The Dinosaur Extinction
4:52 – The Megalodon – Earth’s Greatest Predator
6:26 – The Sharks of Today – Adapted for Perfection
6:53 – The Future of Sharks – Will They Survive Us?

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Explore playlists:
   • OCEAN CREATURES 🐳🦑  
   • HUMANS 👥  
   • ANIMALS 🦖🦏  
   • BIRDS 🦅  
   • INSECTS 🐜🦗  
   • EARTH 🌏  
   • SURVIVAL FACTS  

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📢 Copyright & Credits
All footage is either licensed or AI-generated for educational and documentary purposes.

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