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Vertebrate evolution has led to the convergent appearance of many groups of originally terrestrial animals that now live in the sea. Among these groups are fami

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

In the days when dinosaurs dominated the earth, their marine counterparts - every bit as big and ferocious - reigned supreme in prehistoric seas. In this book,

An authoritative illustrated guide to the mighty reptiles that dominated the seas of the Mesozoic for 185 million years New discoveries are revealing that many

Color artwork and detailed captions journey underwater to capture the prehistoric world of an array of extinct animals, in the companion volume to the Discovery