Authors	Year	Title
Miller & Furnish	1958a	Middle Pennsylvanian Schistoceratidae (Ammonoidea). Journal of Paleontology, 32 (2): 253-268, fig.1-9, pl.33-34; Tulsa,Oklahoma.
Unklesbay	1962	Pennsylvanian Cephalopods of Oklahoma. Bulletin of the Oklahoma Geological Survey, 96: 1-150, fig.1-16, tab.1-2, pl.1-19; Norman.
Work & Mapes	2009	New occurrences of the Pennsylvanian index ammonoid Dunbarites from the North American Midcontinent Journal of Paleontology, vol. 83, pp. 405-413