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Conodonts and fish remains from the Cherokee, Kansas City, and Wabaunsee groups of Missouri and Kansas. Journal of Paleontology, 7(3), 261–297

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Conodonts and fish remains from the Cherokee, Kansas City, and Wabaunsee groups of Missouri and Kansas. Journal of Paleontology, 7(3), 261–297

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Late Pennsylvanian and Early Permian chondrichthyan microremains from San Salvador Patlanoaya (Puebla, Mexico). Geobios, 38(1), 43–55
DOI: 10.1016/j.geobios.2003.06.008

Derycke-Khatir, C. & Vachard, D. & Degardin, J.-M. & Flores de Dios, A. & Buitron, B. & Hansen, M. (2005)
Late Pennsylvanian and Early Permian chondrichthyan microremains from San Salvador Patlanoaya (Puebla, Mexico). Geobios, 38(1), 43–55
DOI: 10.1016/j.geobios.2003.06.008

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Permian vertebrates fossils of Arizona. New Mexico Museum of Natural History and Science, Bulletin, 29, 10–15