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, large, carnivorous aquatic lizards that lived during the late Cretaceous. With 'transitional' traits that place it between two well-known ...

Researchers said they had discovered a new line of mosasaur, a giant sea-dwelling creature that lived alongside the dinosaurs. Its name, Jormungandr walhallaensis, draws on Norse mythology. By Orlando ...

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Geologists in Mississippi unearthed a large vertebra belonging to a Mosasaurus hoffmannii, a giant marine reptile from the late Cretaceous period. The discovered vertebra, potentially the largest ...

STARKVILLE, Miss.—Scientists with Mississippi State University are playing a key role in an exciting new fossil discovery that’s close to campus, a discovery that may represent the largest mosasaur ...

Jormungandr, a 24-foot aquatic lizard that lived 80 million years ago, is found to be a transitional species between two well-known mosasaurs “If you put flippers on a Komodo dragon and made it really ...