Authors Year Title
Miller & Owen 1937 A new Pennsylvanian cephalopod fauna from Oklahoma.
Journal of Paleontology, 11 (5): 403-422, fig.1-5, pl.50-52; Tulsa, Oklahoma.
Miller & Unklesbay 1942 The cephalopod fauna of the Conemaugh Series in Western Pennsylvania.
Annals of the Carnegie Museum, 29: 127-174, fig.1-5, pl.1-8; Pittsburgh, Pa.
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.