marine reptiles, fossil

"Images accompany information about mosasaurs. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--Provided by publisher.

"Images accompany information about plesiosaurs. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--Provided by publisher.

"Images accompany information about ichthyosaurs. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--Provided by publisher.

"Take a trip back in time to meet the giant reptiles that ruled the prehistoric seas! Get a closer look at the features of different groups, from the semiaquatic nothosaurs and the streamlined ichthyosaurs of the Triassic Period, to the ferocious plesiosaurs, pliosaurs and mosasaurs of the Jurassic and Cretaceous Periods"--Provided by publishers.

Introduces the physical characteristics, habitat, and behavior of plesiosaurs.

"Great white sharks are gigantic - but what else used to swim in the oceans that might be bigger? Readers will discover fascinating creatures and compare their incredible sizes to modern day settings."--.

Explores the natural history of the giant seagoing reptiles of the Mesozoic era, describing their physical characteristics, habitats, and extinction.

Provides simple profiles of dinosaurs who lived in the ocean, and features the ichthyosaurus, the elasmosaurus, the liopleurodon, and others; and also describes where and when they lived.

Looks at what is known about sea dragons, or underwater reptiles, that lived during the time of the dinosaurs, examining the discovery of the first fossils in the nineteenth century, and discussing the evolution, survival, and extinction of these ancient marine animals.