While a similar length, the Megalodon had a much more robust body and huge jaws built for devouring whales and other large marine mammals. A Mosasaurus would not have been able to get its jaws around the much thicker body of the Megalodon. It would just take one catastrophic bite for the Megalodon to end the battle.

Is a mosasaurus stronger than a Megalodon?

So It was around 14.2-15.3 meters long, and possibly weighing 30 tons. Mosasaurus was longer than Megalodon so yeah. ... Megalodon is a very powerful creature, that's a fact. But it was far from the most powerful.

What creature killed the Megalodon?

The great white shark (Carcharodon carcharias) may have wiped out the giant megalodon (Otodus megalodon). But scientists may have miscalculated megalodon's time of death by about 1 million years.