March Onto Land: The Silurian Period to the Middle Triassic Epoch'March onto Land' depicts life's migration from the seas to the land and the rise of the first terrestrial organisms. Among the vertebrate groups explored in this full-colour volume are early tetrapods, amphibians and reptiles. |
Contents
Preface | 7 |
Acknowledgments | 10 |
Foreword | 12 |
Introduction | 15 |
The Greening of the Paleozoic World | 19 |
Vertebrates on Land | 85 |
The Evolution of Early Amniotes | 125 |
Conclusion | 161 |
Anatomical Directions | 166 |
Glossary | 167 |
Chapter Bibliography | 173 |
181 | |
185 | |
186 | |
About the Author | 192 |
Geologic Time Scale | 165 |
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Common terms and phrases
adaptations amniotes amphibians ancestors animals appearance aquatic arthropods atmosphere became began body bones branches breathe called Carboniferous Carboniferous Period changes consisted continued covering creatures deposits diapsids diverse dominant earliest early tetrapods Earth effectively eggs environment Epoch Eusthenopteron evidence evolution evolutionary evolved extinct feet ferns fins fish fossil record four ground habitats head important inches insects jaws kinds known land plants larger Late Devonian leaves legs limbs living lobe-finned fishes lycopods mammals marine measured Mesozoic Middle million years ago mouth move oceans organisms origins oxygen Paleozoic Period Permian Period predators prey probably protective remains represent reproductive reptiles rocks scorpions seed seedless shallow skull soil species specimens spiders spores stage structures suggests surface synapsids teeth terrestrial transition trees Triassic true variety vascular plants vertebrates walking wings