Does Megalodon Still Alive ?

We will probably never know for sure why Megalodon became extinct. But we can probably be grateful that it did: a 52-foot (16-metre) version of the White Shark with jaws large enough to engulf a rhino would almost certainly make recreational swimming or pleasure boating a LOT less enjoyable. A number of scientifically untenable - but enormously entertaining - novels have been published, exploring just this possibility


From : http://www.elasmo-research.org/education/evolution/megalodon_lives.htm