Megalodon was a warm-blooded killer, but that may have doomed it to extinction

Megalodon, a mega-size species of extinct shark that prowled the world’s oceans between 23 million and three.6 million years in the past, was possible warm-blooded and had a physique temperature that was considerably larger than that of modern-day sharks, new analysis suggests.

A staff of worldwide scientists made the invention whereas learning the fossilized tooth of the megalodon (Otodus megalodon), whose species identify means “massive tooth.” These jumbo-size carnivores usually grew to be related in size to tractor-trailers, roughly 50 toes (15 meters) lengthy, in accordance with a research printed Monday (June 26) within the journal Proceedings of the Nationwide Academy of Sciences.