A giant sea predator that lived around 80 million years ago has been recognized as a new species after paleontologists revisited fossils stored in museum collections. Named Tylosaurus rex, the ...

Mosasaurs are extinct marine lizards, spectacular examples of which were first discovered in 1766 near Maastricht in the Netherlands, fueling the rise of the field of vertebrate paleontology.

Scientists have discovered a new giant species of mosasaur, Pluridens imelaki, that lived around 66 million years ago, based on fossils found in Morocco’s phosphate deposits in Khouribga. Measuring an ...

For the more than 242 million years that lizards and snakes appear in the fossil record, they show up mostly as pieces of lizard jaws and snake vertebrae. Exactly why these parts survive as fossils ...

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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 ...

Mosasaurs, those large marine reptiles from the long-gone Cretaceous world, were quite picky in their choice of diet. Researchers came to this conclusion after studying the wear marks on mosasaur ...

Mosasaurs are extinct marine lizards, spectacular examples of which were first discovered in 1766 near Maastricht in the Netherlands, fueling the rise of the field of vertebrate palaeontology (the ...

Add Yahoo as a preferred source to see more of our stories on Google. A single tooth found among dinosaur bones in North Dakota reveals that some of the largest sea reptiles also ruled ancient rivers.

Shortly before a mass extinction ended the Age of Dinosaurs, a reptilian, barracuda-like carnivore with a mouth like a box cutter patrolled the warm seas that once covered swaths of what is now North ...

Add Yahoo as a preferred source to see more of our stories on Google. Mosasaurs mostly stuck to ocean habitats, but evidence now suggests they sometime ventured elsewhere. A tooth recently found in ...