Gaining Ground: The Origin and Evolution of Tetrapods

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Indiana University Press, 2012 - Science - 523 pages
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Around 370 million years ago, a distant relative of a modern lungfish began a most extraordinary adventure—emerging from the water and laying claim to the land. Over the next 70 million years, this tentative beachhead had developed into a worldwide colonization by ever-increasing varieties of four-limbed creatures known as tetrapods, the ancestors of all vertebrate life on land. This new edition of Jennifer A. Clack's groundbreaking book tells the complex story of their emergence and evolution. Beginning with their closest relatives, the lobe-fin fishes such as lungfishes and coelacanths, Clack defines what a tetrapod is, describes their anatomy, and explains how they are related to other vertebrates. She looks at the Devonian environment in which they evolved, describes the known and newly discovered species, and explores the order and timing of anatomical changes that occurred during the fish-to-tetrapod transition.

  

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Contents

The Origin and Evolution of Tetrapods
3
2 Skulls and Skeletons in Transition
27
The LobeFin Family
59
The Devonian World
101
Tetrapods of the Famennian
143
Transformation and Transition
187
The First Phase
261
8 East Kirkton and the Roots of the Modern Family Tree
295
Expanding Horizons
321
The Evolution of Terrestriality
387
References
447
Index
473
Copyright

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About the author (2012)

Jennifer A. Clack is Professor and Curator of Vertebrate Palaeontology at the University Museum of Zoology, Cambridge. She was awarded the 2008 Daniel Giraud Elliot medal, by the U.S. National Academy of Sciences, and in 2009 was elected as a Fellow of the Royal Society and a Foreign Honorary Member by the American Academy of Arts and Sciences.

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