Megalodon Was NOT a Big Great White Shark
by Brian Wang from NextBigFuture.com on (#6J2TW)
A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was more slender than earlier studies suggested. This finding changes scientists' understanding of Megalodon behavior, ancient ocean life, and why the sharks went extinct. The Megalodon is largely known only from its teeth and vertebrae in the fossil record. ...