Table of contents for The first vertebrates / Thom Holmes.

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Section One: The World of the Paleozoic Era  17
Chapter 1 Continents and Climates
of the Paleozoic Era                 19
Chapter 2 Paleozoic Mass Extinctions  35
Section Two: The First Vertebrates          53
Chapter 3 Vertebrate Traits            54
Chapter 4 Vertebrate Origins           66
Section Three: The Rise of the Fishes       79
Chapter 5 Jawless Fishes              80
Chapter 6 Vertebrate Innovations       99
Chapter 7 Cartilaginous Fishes:
The Sharks and Rays                 114
Chapter 8 Bony Fishes                 135
Conclusion                                  157
Appendix One: Geologic Time Scale          158
Appendix Two: Positional Terms              159
Glossary                                   160
Chapter Bibliography                       170
Further Reading                             177
Picture Credits                            181

Library of Congress subject headings for this publication: Fishes, Fossil Study and teaching United States, Geology, Stratigraphic Paleozoic