Authors Year Title
Davis & Mapes 1996 Fossils of Ohio. Phylum Mollusca, Class Cephalopoda.
Ohio Division of Geological Survey, Bulletin 70, Fossils of Ohio, Chapter 14: 166-195, Fig.14-1 - Fig.14-10, Columbus, OH.
Elias 1938 Studies of Late Paleozoic ammonoids.
Journal of Paleontology, 12 (1): 86-100, pl.19,20; Tulsa,Oklahoma.
Furnish & Glenister 1971 Permian Gonioloboceratidae (Ammonoidea).
Smithsonian Contributions to Paleontology, 3: 301-312, fig.1-3, pl.1-2; Washington.
Girty 1911 On some new genera and species of Pennsylvanian fossils from the Wewoka formation of Oklahoma.
New York Academy of Science, Annals, 21: 119-156.
Girty 1915 Fauna of the Wewoka Formation of Oklahoma.
Bulletin, U.S. Geological Survey, 544: 1-353, pl.1-35; Washington.
Mapes, Windle & Sturgeon 1997 Pennsylvanian Cephalopods of Ohio. Part 2. Ammonoid Cephalopods.  [Mapes, R.H., Windle, D.L., Sturgeon, M.T. & Hoare, R.D., 1997.]
Ohio Division of Geological Survey, Bulletin 71: 193-260, 7 pls., 32 figs., Columbus, OH.
Plummer & Scott 1937 Upper Paleozoic ammonites in Texas.
The geology of Texas, vol.3 pt.1, Bull. Texas. Univ., 3701: 1-516, fig.1-88, pl.1-41; Austin, Texas.
Shkolin 2001 Glava 5, Ammonoidei. Glava 12,  Ammonoidei.
In: Alekseev,A.S & Shik,S.M.,eds.,Srednii karbon Moskovskoi sineklizy (iuzhnaia chast'). Tom 2. Paleontologicheskaia kharakteristika,77-79,172-188,18 fig.,pl.35-36.
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.