Descriptions of Xystracanthus arcuatus and Cladodus occidentalis. Proceedings of the Academy of Natural Sciences of Philadelphia, (unnumbered volume), 3
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Carboniferous fishes from the central western States. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(7), 163–226
The Lower Embar of Wyoming and Its Fauna. Journal of Geology, 24(7), 639–664
Fish fauna of the middle Phosphoria Formation. Journal of Geology, 41(2), 174–183
Permian sharks of Wyoming and of east Greenland. Science, 79(2054), 431
DOI: 10.1126/science.79.2054.431
Paleontology, paleobotany and facies characteristics of a Pennsylvanian delta in southeastern Nebraska. Unpubl. Ph.D. thesis, Univ. Texas, Austin, Texas: 393 pp.
Chondrichthyans from the pennsylvanian Minturn Formation of Colorado [Abstract]. Abstr. 9th Internatl. Symp. Early Vertebrates/Lower Vertebrates, Flagstaff, Arizona, USA, May 2000, p. 11.
Chondrichthyans from the Pennsylvanian (Desmoinesian) Naco Formation of central Arizona. Journal of Vertebrate Paleontology, 24(2), 268–280
DOI: 10.1671/1978
A Paleozoic shark fauna from the Council Grove Group (Lower Permian) [Abstract]. Transactions of the Kansas Academy of Science, 108(1/2), 71–72
DOI: 10.1660/0022-8443(2005)108[0069:AOTAMO]2.0.CO;2
Middle Pennsylvanian (Desmoinesian) Chondrichthyans from the Lake Neosho Shale Member of the Altamont Limestone in Montgomery County, Kansas. Paludicola, 5(2), 65–76
Chondrichthyans of the Excello Shale (Middle Pennsylvanian) of Rogers County, Oklahoma. Transactions of the Kansas Academy of Science, 118(1–2), 68–74
DOI: 10.1660/062.118.0108