Authors Year Title
Miller & Gurley 1896 New species of Palaeozoic invertebrates from Illinois and other states.
Bulletin of the Illinois State Museum of Natural History, 11: 1-50, pl.1-5; Springfield, IL.
Miller 1945c Late Paleozoic ammonoids from the Chinati Mountains of West Texas.
Journal of Paleontology, 19 (4): 341-346, fig.1-3, pl.50; Tulsa,Oklahoma.
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.
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; 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.