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 & Garner 1953a The goniatite genus Prolecanites in America.
Journal of Paleontology, 27 (6): 814-816, fig.1, pl.86; Tulsa,Oklahoma.
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.