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
