New Chondrichthyan Spines from the Late Paleozoic of Oklahoma. Journal of Paleontology, 52(5), 1070–1078
New specimens of xenacanth and hybodont sharks (Elasmobranchii: Xenacanthida and Hybodontoidea) from the Lower Permian of southwestern Oklahoma. Oklahoma Geology Notes, 63(4), 136–147
Lower Permian Freshwater Sharks and Fishes of Texas and Oklahoma. published by the author himself, 118pp