Giant sea reptiles of the dinosaur age

An ocean giant

Rulers of prehistoric seas

Early sea reptiles

Nothosaurs

Armor-plated swimmers

Ichthyosaurs

A seafood diet

Baby Ichthyosaurs

Mary Anning, the fossil girl

Skeletons in the desert

Plesiosaurs

Long necks

Ferocious predators

America's inland sea

A fossil mistake

Stomach stones

Mosasaurs

Top predators

The end of the dinosaur age

Where you can see fossils of ancient sea reptiles.