part Part I Phylogeny and Zoogeography -- chapter 1 The Origin and Relationships of Early Chondrichthyes / chapter 2 Historical Zoogeography of the Selachii / chapter 3 Phylogeny of Batoidea / chapter 4 Phylogeny and Classification of Extant Holocephali / part Part II Form, Function, and Physiological Processes -- chapter 5 Biomechanics of Locomotion in Sharks, Rays, and Chimeras / chapter 6 Prey Capture Behavior and Feeding Mechanics of Elasmobranchs / chapter 7 Metabolism, Energetic Demand, and Endothermy / chapter 8 Food Consumption and Feeding Habits / chapter 9 Homeostasis: Osmoregulation, pH Regulation, and Nitrogen Excretion / chapter 10 Reproductive Biology of Elasmobranchs / chapter 11 Hormonal Regulation of Elasmobranch Physiology / chapter 12 Sensory Biology of Elasmobranchs -- chapter 13 The Immune System of Sharks, Skates, and Rays / part Part III : Ecology and Life e History -- chapter 14 Age Determination and Validation in Chondrichthyan Fishes / chapter 15 Life History Patterns, Demography, and Population Dynamics / chapter 16 Genetics of Sharks, Skates, and Rays / chapter 17 Predator-Prey Interactions / chapter 18 Elasmobranchs as Hosts of Metazoan Parasites / chapter 19 Assessing Habitat Use and Movement