Complete source list – Top 10 Facts about the Megalodon:
http://en.wikipedia.org/wiki/Megalodon
http://www.theworldslargestsharksjaw.com/
http://en.wikipedia.org/wiki/Shark_tooth
http://www.sharksider.com/megalodon-shark/
http://www.bbc.com/news/science-environment-29743081
http://www.discovery.com/tv-shows/shark-week/videos/megalodon-monster-shark/
http://dinosaurs.about.com/od/otherprehistoriclife/ss/10-Facts-About-Megalodon.htm
http://www.prehistoric-wildlife.com/top-tens/10-top-facts-about-megalodon.html
http://phenomena.nationalgeographic.com/2014/08/13/megalodon-the-monster-sharks-dead/
