Authors Year Title
Becker & Weyer 2004 Bartzschiceras n. gen. (Ammonoidea) from the Lower Tournaisian of Southern France.
Mitteilungen des Geologisch-Paläontologischen Instituts der Universität Hamburg, 88: 11-36, 21 fig., 1 tab.,Hamburg.
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.
Swallow 1860 Descriptions of new fossils from the Carboniferous and Devonian rocks of Missouri.
Transactions St. Louis Academy of Sciences, 1: 635-660, St. Louis.