Provides information about enormous reptiles who swam the seas during the dinosaur age.

Includes index.

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.