: A massive prehistoric shark often dubbed the "Ginsu shark".

Forget everything you know about the "Age of Dinosaurs" being purely terrestrial. In 2007, National Geographic took us beneath the waves of the Late Cretaceous in the IMAX 3D documentary, .

: A 40-foot mosasaur that acted as the "T-Rex of the ocean".

: A long-necked plesiosaur that looked more like a giraffe with flippers. Science Meets Spectacle