Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
The middle Paleozoic Selachian genus Thrinacodus. Journal of Vertebrate Paleontology, 30(6), 1666–1672
DOI: 10.1080/02724634.2010.520785