Megatooth Shark, Carcharodon megalodon. Comparison with a modern day White Shark, Carcharodon carcharias, and a Human, Homo sapiens. The Megatooth Shark: 2 to 23 million years ago. Weight: 228,000 kg (500,000 lbs).
Giant Great White Shark (2)
Mexican Fish.com
Photographs and species information from Mexico — by John Snow