There are FIVE bands/artists that use the name Megalodon. -Megalodon is a progressive/math/djent metal 5-peice from Cape Town, South Africa.
https://www.facebook.com/megalodonza/
http://megalodonza.bandcamp.com/
Megalodon (named after a song from Mastodon's "Leviathan") was spawned by the creative minds of Ruan Jordaan and Nuri Grobbelaar. After discussing the project for a few years it has finally been given life.