Hard tissue histology of extinct and extant vertebrates
Western Interior Seaway paleoecology
Paleornithology
Taphonomy and paleoecological reconstructions
Areas of expertise: Paleontology/Vertebrate paleontology, Osteohistology (fossil and modern bones and teeth); Paleoecology and paleobiology; Taphonomy and sedimentology/stratigraphy; Paleoornithology