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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
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Lower Permian Freshwater Sharks and Fishes of Texas and Oklahoma. published by the author himself, 118pp