Megalodon shocker: Huge killer shark may have been wiped out by great whites

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In latest months, new theories have cropped up as to how the megalodon, maybe the most important marine predator to ever reside, turned extinct. Now, a brand new research means that the large shark could have died off earlier than beforehand thought and should have been out hustled by its successor — the nice white.

The research, printed in PeerJ, means that megalodons could have died off round three.6 million years in the past, 1 million years earlier than initially thought. Researchers re-examined fossils present in California and Baja California, Mexico and located proof they could have been outmaneuvered and outdone by their smaller, extra agile cousin.

“Submit-middle Miocene oceanographic modifications and cooling sea floor temperature could have resulted in vary fragmentation, whereas alongside competitors with the newly developed nice white shark (Carcharodon carcharias) through the Pliocene could have led to the demise of the megatoothed shark,” the research’s summary reads. “Alternatively, these findings can also recommend a globally asynchronous extinction of Otodus megalodon.”

MEGALODON MAY HAVE GONE EXTINCT FOR THIS SHOCKING REASON

Nice whites first started to indicate up on Earth roughly Four million years in the past, so the 400,000-year hole could have been sufficient time for excellent whites to turn out to be the apex predator of the seas, lead writer and vertebrate paleontologist Robert Boessenecker stated.

“We suggest that this brief overlap (three.6-Four million years in the past) was enough time for excellent white sharks to unfold worldwide and outcompete O. megalodon all through its vary, driving it to extinction-rather than radiation from outer house,” Boessenecker stated in an announcement.

Boessenecker, who’s a professor on the School of Charleston, didn’t appear to present a lot credence to the latest research that an exploding star or “supernova” resulted within the megalodon going extinct.

“Fairly, it’s attainable that there was a interval of faunal turnover (many species changing into extinct and lots of new species showing) reasonably than a real instant and catastrophic extinction brought on by an astronomical cataclysm like a supernova,” Boessenecker added.

It had been beforehand thought that the megalodon went extinct as a part of a mass extinction occasion roughly 2.5-million-years-ago, which noticed the deaths of a whole lot of marine species, together with numerous completely different seals, walruses, sea cows, porpoises, dolphins and whales.

MEGALODON MAY HAVE BEEN KILLED OFF BY AN EXPLODING STAR

One other idea that has gotten a whole lot of consideration in latest months is that the megalodon, which grew as much as 60 toes in size with enamel almost the scale of an ordinary sheet of paper, merely have been unable to control their physique temperatures. Cooler ocean temperatures through the Pliocene period led its most well-liked meals, whales, to adapt, whereas the megalodon was not.

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