
Paleontologists propose naming a newly studied 43-foot mosasaur Tylosaurus rex based on powerful jaws and finely serrated teeth that mark it as an apex predator. New work involving researchers from Southern Methodist University and the Perot Museum aligns with this identification and reinforces the animal's status as one of the largest mosasaurs. The discovery complements recent evidence for giant cephalopods, suggesting late Cretaceous seas hosted multiple large predators that likely interacted and competed.
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