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The problem of vast numbers of cladodont shark denticles in the Pennsylvanian Excello Shale of Pike County, Indiana. Journal of Paleontology, 69(3), 556–563
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The internal tooth morphology of some palaeozoic elasmobranchs [Abstract]. Abstr. 9th Internatl. Symp. Early Vertebrates/Lower Vertebrates, Flagstaff, Arizona, USA, May 2000, p. 11.
The braincase in Paleozoic symmoriiform and cladoselachian sharks. Bulletin of the American Museum of Natural History, 307, 1–122
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Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
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Chondrichthyans from the early/late Carboniferous boundary beds of the Gissar Mountains, Uzbekistan. New Mexico Museum of Natural History and Science, Bulletin, 60, 143–151
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Fish assemblage from the Capitanian (Middle Permian) of the Apache Mountains, West Texas, USA. New Mexico Museum of Natural History and Science, Bulletin, 60, 152–160
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Middle Permian fish microremains from the Early Capitanian of the Guadalupe Mountains, West Texas, USA. Micropaleontology, 61(4–5), 301–312
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New fish assemblages from the Middle Permian from the Guadalupe Mountains, West Texas, USA. Palaeoworld, 29(2), 239–256
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The biostratigraphy of Carboniferous chondrichthyans. In S.G. Lucas, J.W. Schneider, X. Wang, & S. Nikolaeva (Eds.), The Carboniferous Timescale. Geological Society, London, Special Publications, 512, Article SP512-2020-91
DOI: 10.1144/SP512-2020-91
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1