Authors Year Title
Furnish & Manger 1973 Type Kinderhook Ammonoids.
Proceedings of the Iowa Academy of Science, 80 (1): 15-24, fig.1-3, pl.1, Iowa City.
Miller & Collinson 1951 Lower Mississippian ammonoids of Missouri.
Journal of Paleontology, 25: 454-487, fig.1-14, pl.68-71; Tulsa, Oklahoma.
Rowley 1895 Description of a new genus and five species of fossils from the Devonian and Subcarboniferous rocks of Missouri.
American Geologist, 16 : 217-223.
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.