Iniopterygia: a new order of Chondrichthyan fishes from the Pennsylvanian of North America. Fieldiana Geology, Mem., 6: 1–67
Paleontology, paleobotany and facies characteristics of a Pennsylvanian delta in southeastern Nebraska. Unpubl. Ph.D. thesis, Univ. Texas, Austin, Texas: 393 pp.
Skull and brain of a 300-million-year-old chimaeroid fish revealed by synchrotron holotomography. Proceedings of the National Academy of Sciences, 106 (13): 5224–5228