Fearsome dinosaur-era marine reptile was the T. rex of the sea

Tyrannosaurus rex was a huge land predator during the twilight of the age of dinosaurs. But it was not the only T. rex that terrorized the Cretaceous Period. ​There also was a marine reptile named Tylosaurus rex – the T. rex of the sea – that rivaled its land counterpart in size and ferocity. Scientists […]