Authors Year Title
Furnish & Saunders 1971 Ammonoids from the Middle Chester Beech Creek Limestone, St. Clair County.
University of Kansas paleontological Contributions, 51: 1-14, fig.1-3, pl.1-2.
Lemosquet, Conrad & Manger 1985 Ammononoids. [In: M.Diaz, R.H.Wagner, C.F. Winkler Prins & L.F.Granados, eds., The Carboniferous of the World, 2.]
International Union of Geological Sciences Publication, 20: 367-372, pls.7-10, Madrid.
Miller, Youngquist & Nielsen 1952 Mississippian cephalopods from Western Utah.
Journal of Paleontology, 26: 148-161, 5 text-figs., pl.25-26; Tulsa, Okla.
Pareyn 1961 Les Massifs Carbonifères du Sahara Sud-Oranais. Tome II. Paléontologie stratigraphique.
Publications Centre Rech. Sahariennes, Ser. Géologie, 1: 1-244, fig.1-27, pl.1-28; Paris.