https://www.patreon.com/ruinedheroes

https://www.ruinedheroes.com/home-1

Theme music by Tyler C. Dones and Jon Bolich

Primary Sources:
https://www.nhm.ac.uk/discover/shark-evolution-a-450-million-year-timeline.html

https://micronesianconservation.org/jen-page-2/

https://www.sharks-world.com/shark_evolution/

https://www.britannica.com/animal/shark

https://www.surfertoday.com/environment/the-most-surprising-facts-about-sharks