"It was a mosasaur with short jaws, with conical and very robust teeth, allowing it to attack large prey." ...

A giant "sea dragon" backbone plucked from a riverbank in Mississippi could belong to the largest mosasaur ever found in the state, scientists say. Researchers only found a single vertebra from the ...

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The Western Interior Seaway, which existed roughly 80 million years ago, split North America into North and South. It was a ...

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Geologists working in Mississippi recently stumbled upon an incredible find: the fossil of an ancient marine apex predator. They uncovered a piece of vertebra they said likely belonged to a mosasaur, ...

Researchers have described a Japanese mosasaur the size of a great white shark that terrorized Pacific seas 72 million years ago. The mosasaur was named for the place where it was found, Wakayama ...

A Mississippi paleontologist made a chance discovery of the skull of a mosasaur and scientists recently removed a large block of hard clay containing the skull along with other bones that were ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

Scientists have discovered a new species of mosasaur, a sea-dwelling lizard from the age of the dinosaurs, with strange, ridged teeth unlike those of any known reptile. Along with other recent finds ...