8 Extinct Ocean Animals
1. Megalodon (Otodus megalodon) Surely the most famous of all extinct ocean animals is the huge Megalodon. Megalodons were massive sharks, so huge they were at least 20-50 times larger than today’s great whites. Experts estimate they were between 105,000 pounds to 227,500 pounds and 50-60 feet long. Those kinds of measurements are hard to compute, so for comparison, the largest great white shark weighs about 5,000 pounds and is 15-20 feet long....