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Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
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Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
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The middle Paleozoic Selachian genus Thrinacodus. Journal of Vertebrate Paleontology, 30(6), 1666–1672
DOI: 10.1080/02724634.2010.520785