Introduction, by Michael McKinney Biodiversity dynamics: Niche preemption and saturation in diversity equilibria, by Michael McKinney Phylogenetic Turnover: From Populations through Higher Taxa Do taxa persist as metapopulations in evolutionary time?, by Susan Harrison Geographic range fragmentation and the evolution of biological diversity, by Brian Maurer and Phillip Nott Detecting ecological pattern in phylogenies, by John Gittleman, C. Anderson, S. Cates, H-K Luh, H. Hilton, N. Leahy, R-L Wan Testing models of speciation and extinction with phylogenetic trees of extant taxa, by Jody Hey, Holly Hinton, Nicholas Leahy, Rong-Lin Wang Dynamics of diversification in state space, by Daniel W. McShea Diversification of body sizes: patterns and processes in the assembly of terrestrial mammal faunas, by Douglas A. Kelt and James H. Brown The role of development in evolutionary radiations, by Gunther J. Eble Declining taxonomic turnover in geologic time, by Norman Gilinsky Community Turnover: From Populations through Global Diversity Scaling the ecosystem: A hierarchical view of stasis and change, by Kenneth M. Schopf and Linda C. Ivany Nested patterns of species distribution: processes and implications, by Alan Cutler Diversification of North American mammals: a test of equilibrial dynamics, by John Alroy Scales of diversification and the Ordovician radiation, by Arnold I. Miller and Shuguang Mao Preston's ergodic conjecture: the accumulation of species in space and time, by Michael L. Rosenweig An intermediate disturbance hypothesis of maximal speciation, by Warren Allmon, Paul Morris, Michael McKinney Turnover dynamics across ecological and geological scales, by Gareth Russell Catastrophic fluctuations in nutrient levels as an agent of mass extinction: upward scaling of ecological processes?, by Ronald E. Martin Scale-independent interpretations of macroevolutionary dynamics, by Richard B. Aronson and Roy E. Plotnick