<< The largest shark in the history of the planet, Carcharocles megalodon, lived between 23 million and 2.6 million years ago, reaching body lengths of up to 18 meters and probably feeding on marine mammals. Then it became extinct. >>
<< The giant shark became extinct because the diversity of its prey decreased and new predators appeared as competitors. >>
Catalina Pimiento, Bruce J. MacFadden, et al. Geographical distribution patterns of Carcharocles megalodon over time reveal clues about extinction mechanisms. Journal of Biogeography. 30 Mar 2016, DOI: 10.1111/jbi.12754.