|   | 
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 & 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 & Collinson | 
1951 | 
Lower Mississippian ammonoids of Missouri.	 
Journal of Paleontology, 25: 454-487, fig.1-14, pl.68-71; Tulsa, Oklahoma.	 
 | 
 
 | 
Smith | 
1903 | 
The Carboniferous Ammonoids of America.	 
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.	 
 |