The large teeth indicate that Megalodon had powerful ... million-year-old skulls from extinct whales, revealing that the ...

The primary evidence supporting their extinction lies in the fossil record — specifically, the lack of recent giant shark teeth or fossil remains that would indicate their continued existence.

Several fossil teeth from the giant predatory shark Otodus megalodon show scratch marks that could only have been made by members of their own species, suggesting that the largest sharks of all ...

Vengeful killer whales teaching young to attack boats in Gibraltar Shark attacks: is it safe to go in the water? Analysis of chemicals of fossilised teeth suggests that the giant shark’s body ...

DOWNLOAD PDF VERSION Some fossilized teeth from giant ancient megalodon sharks have unique scratches on them. These scratches, researchers believe, were possibly caused by the serrated cutting ...

bone-shearing teeth. Evidence suggests Cretoxyrhina fed on mosasaurs, plesiosaurs, and even the giant bony fish Xiphactinus, a fierce predator itself. Sharks are made of cartilage, which does not ...

In fact, a T-rex would have been a quick snack for megalodon. Its head would have easily fit inside the gargantuan shark's mouth.