But could megalodon still exist? 'No. It's definitely not alive in the deep oceans, despite what the Discovery Channel has said in the past,' notes Emma. 'If an animal as big as megalodon still lived in the oceans we would know about it.

Will the megalodon come back?

But could megalodon still exist? 'No. It's definitely not alive in the deep oceans, despite what the Discovery Channel has said in the past,' notes Emma. ... The sharks would leave telltale bite marks on other large marine animals, and their huge teeth would continue littering the ocean floors in their tens of thousands.

Can extinct animals be brought back?

There are some species that are extinct that before the last individual died, living tissue was taken and put into deep freeze. So it's able to be brought back as living tissue. ... The only way extinct species could be brought back is if there is living tissue that's going to be found.