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.

A mosasaur tooth discovered alongside a T. rex tooth and a freshwater crocodilian jaw in North Dakota raised new questions about the final days of the Western Interior Seaway. Stable isotope analysis ...

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

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.

Mosasaurus was among the largest and last of the sea-dwelling mosasaurs. Dmitri Bogdanov via Wikimedia Commons under CC0 There hardly was a more fearsome family of seagoing carnivores than the ...

An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

If ever there were marine creatures that could justifiably be called “sea monsters”, the fearsome mosasaurs would fit the bill. These extinct aquatic lizards – cousins of today’s monitors and Komodo ...

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If you live in New York City you’ve undoubtedly seen the ubiquitous advertising for the upcoming blockbuster four-quel Jurassic World lining the walls at your local subway stop. One poster features ...