Introduction: taking fossil species seriously / W. D. Allmon and M. M. Yacobucci
The "species concept" and the beginnings of paleobiology / David Sepkoski
The species problem: concepts, conflicts, and patterns preserved in the fossil record / W. Miller III
Studying species in the fossil record: a review and recommendations for a more unified approach / W. D. Allmon
The stages of speciation: a stepwise framework for analysis of speciation in the fossil record / W. D. Allmon and S. D. Sampson
Morphology and molecules: an integrated comparison of phenotypic and genetic rates of evolution / S. J. Hageman
Fitting ancestral age-dependent speciation models to fossil data / H. Liow and T. Ergon
Contrasting patterns of speciation in reef corals and their relationship to population connectivity / A. F. Budd and J. M. Pandolfi
Towards a model for speciation in ammonoids / M. Yacobucci
Species of decapoda (crustacea) in the fossil record: patterns, problems, and progress / E. Schweitzer and R. M. Feldmann
Fossil species as data: a perspective from echinoderms / W. I. Ausich
Species and the fossil record of fishes / W. E. Bemis
Invasive species and speciation / A. L. Stigall
Fossil species lineages and their defining traits: taxonomic "usefulness" and evolutionary modes / J. Hopkins and S. Lidgard
Geographic clines, chronoclines, and the fossil record: implications for speciation theory / R. Prothero, V. J. Syverson, K. R. Raymond, M. Madan, S. Molina, A. Fragomeni, S. Desantis, A. Sutyagina, and G.L. Gage.
