Fossil Shark Basics – Discover Fishes https://www.floridamuseum.ufl.edu/discover-fish/sharks/fossil/basics/
Sharks are sometimes referred to as „living fossils“. Ancient sharks lived in the oceans long before animals colonized the land. Their history goes back to at least 400 million years ago, making the 2 million year history of humans seem quite insignificant by comparison. Most fossil evidence of ear
Hubbell, and B. J. MacFadden. 2009.
