https://facts.net/megalodon-facts/
https://www.seriousfacts.com/megalodon-facts/
https://www.thoughtco.com/facts-about-megalodon-1093331
https://oceanconservancy.org/blog/2020/08/24/7-mega-wild-facts-megalodon/
https://www.nhm.ac.uk/discover/megalodon--the-truth-about-the-largest-shark-that-ever-lived.html
https://www.livescience.com/63361-megalodon-facts.html
https://www.britannica.com/story/10-fascinating-facts-about-megalodon
https://en.wikipedia.org/wiki/Megalodon
https://www.baresports.com/blog/just-how-big-were-those-ancient-sea-creatures/?v=7516fd43adaa
https://www.nhm.ac.uk/discover/megalodon--the-truth-about-the-largest-shark-that-ever-lived.html
https://www.fossilera.com/pages/megalodon-size
https://www.independent.co.uk/news/science/biggest-shark-tooth-megalodon-fossil-b1819450.html
https://en.wikipedia.org/wiki/Great_white_shark
https://en.wikipedia.org/wiki/Whale_shark
https://en.wikipedia.org/wiki/Anomalocaris
https://en.wikipedia.org/wiki/Dunkleosteus
https://en.wikipedia.org/wiki/Liopleurodon
https://en.wikipedia.org/wiki/Mosasaurus
https://en.wikipedia.org/wiki/Kronosaurus
https://en.wikipedia.org/wiki/Deinosuchus
https://en.wikipedia.org/wiki/Basilosaurus
https://en.wikipedia.org/wiki/Livyatan
https://en.wikipedia.org/wiki/Sperm_whale
https://en.wikipedia.org/wiki/Apex_predator
https://en.wikipedia.org/wiki/The_Ocean_Hunter