From the depths of a Mississippi riverbed, scientists unearthed a giant vertebra that may belong to the largest mosasaur ever discovered in the state. This predator, Mosasaurus hoffmanni, was the last ...

This video explores how Mosasaurus evolved into a marine predator so dominant that it effectively “broke the game” of prehistoric ocean life. Scientists highlight the creature’s immense size, ...

Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dinosaur Train is available to stream on pbs.org and the ...

Look into the jaws of a Mosasaurus and you will gaze into a nightmare. The seagoing lizard’s curved teeth stand in a line that point backwards to the throat, an extra set of piercing teeth on the roof ...