M.A. Taylor, Foreword.<br>Ichthyosauria:<br>J.M. Callaway, Introduction.<br>P.M. Sander, The paleobiogeography of Shastasaurus.<br>J.M. Callaway, A New Look at Mixosaurus.<br>C. McGowan, A Transitional Ichthyosaur Fauna.<br>R. Motani, Temporal and Spatial Distribution of Tooth Implantation in Ichthyosaurs.<br>Sauropterygia:<br>O.C. Rieppel, Introduction.<br>O.C. Rieppel and H. Hagdorn, Paleobiology of Middle Triassic Sauropterygia in Central and Western Europe.<br>G.W. Storrs, Morphologic and Taxonomic Clarification of the Genus Plesiosaurus.<br>K. Carpenter, Comparative Cranial Anatomy of Two North American Cretaceous Plesiosaurs.<br>Testudines:<br>E.L. Nicholls, Introduction.<br>R. Hirayama, Distribution and Diversity of Cretaceous Chelonoids.<br>D.K. Elliott, G.V. Irby, and J.H. Hutchison, Desmatochelys Iowa, a Marine Turtle from the Upper Cretaceous.<br>R.T.J. Moody, The Paleogeography of Marine and Coastal Turtles of the North Atlantic and Trans-Saharan Regions.<br>Mosasauridae:<br>G.L. Bell, Jr., Introduction.<br>G.L. Bell, Jr., Phylogenetic Revision of North American and Adriatic Mosasauridea.<br>A. Sheldon, Ecological Implications of Mosasaur Bone Microstructure.<br>Crocodylia:<br>S. Hua and E. Buffetaut, Introduction.<br>R.K. Denton, Jr., J.L. Dobie, and D.C. Parris, The Marine Crocodile, Hyposaurus, in North America.<br>Faunas, Behavior, and Evolution:<br>J.A. Massare, Introduction.<br>S.G. Lucas, Marine Reptiles and Mesozoic Biochronology.<br>Z. Gasparini and M. Fernandez, Tithonian Marine Reptiles of the Eastern Pacific.<br>R. Collin and C.M. Janis, Morphological Constraints on Tetropod Feeding Mechanisms: Why Were There No Suspenion-Feeding Marine Reptiles?<br>R.L. Carroll, Mesozoic Marine Reptiles as Models of Long Term, Large-Scale Evolutionary Phenomena.<br>Subject Index.