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2OOJ by Richard Lllis All rights reserved Published by the University Press of Kansas (Lawrence, Kansas 66049), which was organized by the Kansas Board of Regents and is operated and funded by Emporia State University, Fort Hays State University, Kansas State University, Pittsburg State University, the University of Kansas, and Wichita State University Library of Congress Cataloging-in-Publication Data Sea dragons predators of the prehistoric oceans Richard 111 p. cm. Includes bibliographical...

Acknowledgments

When the world and I were somewhat younger, I started the research for a hook that was going to he about the origin, evolution, and extinction of life in the sea. I wanted to write about the formation of the earth, the earliest and the later life-forms invertebrates to vertebrates, trilobites to ammonites, lunghshes to whales. I was going to devote a certain amount of space to the fate of those creatures that are no longer with us and those that still are, as living fossils. 1 thought I would...

Isnt That the Loch Ness Monster

Come with me to the American Museum of Natural History on New York City's Central Park West. We walk up the broad stairs, dominated by the equestrian statue of Theodore Roosevelt, twenty-sixth president of the United States and a great benefactor of the museum. We enter the great Roosevelt Rotunda, where we are awed by one of the most dramatic dinosaur exhibits in the world the mounted skeletons of a mother Barosaurus protecting her young one from an attacking carnivorous Allosaurus. The great...

Plesiosaurs

Lehthyostega

The greatly expanded shoulder and pelvic girdle in plesiosaurs provided attachment areas for the well-developed muscles that moved the limbs when the animal swam. Some of them like Thalassomedon, hanging from the ceiling, evolved a very long neck with as many as 70 vertebrae. So even though there have been many claims that the Loch Ness monster is a plesiosaur left over from the past and that a single animal somehow managed to remain alive for 100 million years , this is not the skeleton of...