Tooth retention in cladodont sharks: with a comparison between primitive grasping and swallowing, and modern cutting and gouging feeding mechanisms. Journal of Vertebrate Paleontology, 21(2), 214–226
DOI: 10.1671/0272-4634(2001)021[0214:TRICSW]2.0.CO;2
A new specimen of Tamiobatis vetustus (Chondrichthyes, Ctenacanthoidea) from the Late Devonian Cleveland Shale of Ohio. Journal of Vertebrate Paleontology, 18(2), 251–260
DOI: 10.1080/02724634.1998.10011054
Feeding behavior in Cleveland Shale fishes. In Boucot, A.J.(ed.), Evolutionary Paleobiology of Behavior and Coevolution, (Elsevier), Amsterdam: 273–287
The Cladodont level sharks of the Pennsylvanian black shales of central North America. Palaeontographica, Abt. A, 190, 83–158
New evidence on the nature of the jaw suspension in Palaeozoic anacanthous sharks. Palaeontology, 18(2), 333–341
The origin of “spiral coprolites”. The University of Kansas Paleontological Contributions, 59, 1–19
