Age of Mammals: The Oligocene and Miocene Periods

Overview

The Age of Mammals explains how mammals and birds increased their collective footprint to dominate the Earth, and how they evolved to present-day form. About 15 million years ago, the diversity of mammals worldwide reached an astounding peak. As the continental landmasses shifted and temperate climates encouraged flowering plants, woodlands, and grasses to grow in abundance, mammals stepped into ecological niches left vacant by the extinction of the dinosaurs. The Oligocene and Miocene epochs saw the foundations ...
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Overview

The Age of Mammals explains how mammals and birds increased their collective footprint to dominate the Earth, and how they evolved to present-day form. About 15 million years ago, the diversity of mammals worldwide reached an astounding peak. As the continental landmasses shifted and temperate climates encouraged flowering plants, woodlands, and grasses to grow in abundance, mammals stepped into ecological niches left vacant by the extinction of the dinosaurs. The Oligocene and Miocene epochs saw the foundations of modern-day mammal groups. Adaptations of the jaw, teeth, skull, limbs, and other traits led to mammals that were better adapted for every mode of life.
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Product Details

  • ISBN-13: 9780816059645
  • Publisher: Chelsea House Publishers
  • Publication date: 1/28/2009
  • Series: The Prehistoric Earth Series
  • Pages: 192
  • Age range: 14 - 17 Years
  • Product dimensions: 7.40 (w) x 9.40 (h) x 0.60 (d)

Table of Contents

Preface 7

Acknowledgments 11

Foreword 13

Introduction 15

Section 1 Extinct Marsupials 19

Chapter 1 Extinct Marsupials of North and South America 21

Chapter 2 Extinct Marsupials of Australia 35

Section 2 Extinct Eutherian Mammals 51

Chapter 3 Last of the Archaic Eutherians 52

Chapter 4 The Archonta: Tree Shrews, Flying Lemurs, Bats, and Primates 72

Chapter 5 Hoofed Mammals: The Ungulata 105

Chapter 6 Mammoths, Elephants, and Their Relatives: The Paenungulata 128

Chapter 7 Big Cats, Hyenas, Dogs, Bears, and Their Relatives: The Carnivores and Creodonts 141

Chapter 8 A Diversity of Mammals: Glyptodonts, Sloths, and Other Eutherians 154

Conclusion 165

Appendix 1 Geologic Time Scale 167

Appendix 2 Positional Terms 168

Glossary 169

Chapter Bibliography 173

Further Reading 181

Picture Credits 184

Index 185

About the Author 190

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