Twitter 上的Sheril Kirshenbaum:"Megalodon dominated the world's oceans for >13 million years. Modern humans have only been around a few hundred thousand years. https://t.co/Na7hSqnXxb" / Twitter
![Fossilguy.com: Megalodon Shark Facts and Information: Size - Teeth - Evolution - Where to Find Megalodon - and More! Fossilguy.com: Megalodon Shark Facts and Information: Size - Teeth - Evolution - Where to Find Megalodon - and More!](https://www.fossilguy.com/gallery/vert/fish-shark/carcharocles/megalodon_size_comparison.jpg)
Fossilguy.com: Megalodon Shark Facts and Information: Size - Teeth - Evolution - Where to Find Megalodon - and More!
![Fisheries and Aquaculture Journal on Twitter: "#Megalodon, Megalodon (#Carcharocles megalodon), meaning "big tooth" (7.0 in), is an #extinct species of #shark that lived approximately 23 to 2.6 million years ago. Megalodon's may Fisheries and Aquaculture Journal on Twitter: "#Megalodon, Megalodon (#Carcharocles megalodon), meaning "big tooth" (7.0 in), is an #extinct species of #shark that lived approximately 23 to 2.6 million years ago. Megalodon's may](https://pbs.twimg.com/media/DjAebibVsAAL3ex.jpg)