One of the most geologically complex and diverse states, California spent much of the age of dinosaurs under water. While most of the fossils found in the state

Text and art portray over 100 prehistoric reptiles of land, sea, and air, including the reptiles that preceded the dinosaurs, the dinosaur giants of the Mesozoi

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

The plesiosaurus had a long, slender neck that it used to sneak up on prey. The ichthyosaurus was a strange cross between a dolphin and a crocodile. Learn about

This overview of dinosaur discoveries in Mexico synthesizes current information about the geography and environment of the region during the Mesozoic when it wa