Science

'Merciless' sea monster with broken teeth prowled the seas 66 million years ago


Artist impression of Thalassotitan(Image credit: Andrey Atuchin)

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A giant mosasaur with teeth like a killer whale ruled the oceans around Morocco towards the end of the Cretaceous period, a new study finds.

The extinct predator, named Thalassotitan atrox, grew to about 30 to 33 feet (9 to 10 meters) long and likely fed on any other marine reptiles it came across, including fellow mosasaurs. The name Thalassotitan comes from the Greek words “thalassa” and “titan,” meaning “sea giant,” and the species name atrox translates to “cruel” or “merciless,” according to the study.   



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