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There was a T. Rex of the sea and it was terrifying

Gail P Sherman
May 25, 2026
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Shan_shan / Shutterstock.com

An examination of fossils found decades ago revealed a new species of T. Rex. This T. Rex swam in the ocean but was undoubtedly as terrifying as its terrestrial namesake.

Growing up to 43 feet long with serrated teeth, the newly described Tylosaurus rex, or “king of the tylosaurs,” is one of the largest mosasaurs known to date…

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Gail P Sherman
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