Tells the story of the 5 million years when giant sharks, marine reptiles called mosasaurs, pteranodons, and birds with teeth flourished in and around this shallow sea. This book explains their discovery, re-creates the animals and the world in which they lived, and presents the fruits of the latest research into the natural history of America's ancient inland sea.
The bright midday sun glinted off the calm waters of the Inland Sea and silhouetted the long, sinuous form of a huge mosasaur lying motionless amid the floating tangle of yellow-green seaweed. Twenty years old and more than thirty feet in length, the adult mosasaur was almost full-grown and was much larger than any of the fish or sharks that lived in the shallow seaway. A swift and powerful swimmer over short distances, the mosasaur used surprise and the thrust of his muscular tail to outrun his prey with a short burst of speed. --from Chapter One
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