	Authors	Year	Title
	Girty	1915	Fauna of the Wewoka Formation of Oklahoma. Bulletin, U.S. Geological Survey, 544: 1-353, pl.1-35; Washington.
	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.