Jason S. Anderson is a vertebrate paleontologist and Assistant Professor at the University of Calgary. He is Associate Editor of the Journal of Paleontology.

Hans-Dieter Sues is a vertebrate paleontologist and Associate Director for Research and Collections, National Museum of Natural History of the Smithsonian Institution.

Acknowledgments

Introduction: Studying Evolutionary Transitions among VertebratesHans-Dieter Sues and Jason S. Anderson

1. Plasticity of and Transitions between Skeletal Tissues in Vertebrate Evolution and DevelopmentBrian K. Hall and P. Eckard Witten

2. Homologies and Evolutionary Transitions in Early Vertebrate HistoryPhilippe Janvier

3. Paired Fins of Jawless Vertebrates and Their Homologies across the "Agnathan"-Gnathostome TransitionMark V. H. Wilson, Gavin F. Hanke, and Tiiu Märss

4. MODEs of Developmental Evolution: An Example with the Origin and Definition of the AutopodiumHans C. E. Larsson

5. Incorporating Ontogeny into the Matrix: A Phylogenetic Evaluation of Developmental Evidence for the Origin of Modern AmphibiansJason S. Anderson

6. The Cranial Anatomy of Basal Diadectomorphs and the Origin of AmniotesRobert R. Reisz

7. Snake Phylogeny, Origins, and Evolution: The Role, Impact, and Importance of Fossils (1869-2006)Michael W. Caldwell

8. The Beginnings of Birds: Recent Discoveries, Ongoing Arguments, and New DirectionsLuis M. Chiappe and Gareth J. Dyke

9. Successive Diversifications in Early Mammalian EvolutionZhe-Xi Luo

10. The Terrestrial to Aquatic Transition in CetaceaMark D. Uhen

Contributors

Index