Vertebrate paleontology; Artiodactyla; functional evolution of limb morphology; Cenozoic environmental change.
Vertebrate paleontology; Dinosauria; ecometrics and Mesozoic terrestrial vertebrate communities.
Paleobotany; evolution of flowering plants; plant-animal coevolution.
Paleoecology and sedimentology of Neogene strata; Modern, Cenozoic, and Paleozoic tropical carbonate reef systems.
Stable isotope geochemsitry; paleoenvironments; microbial activity and rock-water interactions.
Paleoanthropology; evolution of hominins in East Africa; Pleistocene reptiles.
Marine paleoenvironments; corals and ostracodes.
Vertebrate paleontology; Mesozoic mammals; evolution and diversification of mammals in response to changing environments.
Paleoecology of Upper Cretaceous benthic organisms; Cretaceous stratigraphy of the Western Interior Basin.
Paleoanthropology and archaeology; Pleistocene mammals; Homo erectus in Asia.
Paleoecology of tropical reef systems; Anthozoa and Mollusca; global change and marine ecosystems.
Cretaceous environments and ecosystems; Bivalvia and Ammonoidea; high-resolution biostratigraphy.
Vertebrate paleontology; evolution and functional morphology of birds.
Paleontology and geology; vertebrate evolution.
Paleoanthropology of East Africa; Pleistocene human and vertebrate interactions; paleontology and geology of Olduvai Gorge.
Geoarchaeology; Caribbean archaeology and environments; human-environmental interactions.
Vertebrate paleontology; phylogenetics and functional morphology of mammals; quantitative evolution; ecometrics and responses of vertebrate communities to environmental and climatic change.
Biostratigraphy; conodont paleontology; karst geology; fossils.
Coral diversity and responses of marine communities to climate change.
Vertebrate paleontology; Pleistocene mammals and climate change.
Indiana geology; micropaleontology; biostratigraphy.
Vertebrate paleontology; Cenozoic turtles; reptiles and environmental change.