Authors Year Title
Girty 1909 The fauna of the Caney Shale of Oklahoma.
Bulletin, U.S. Geological Survey, 377: 1-106, pl.1-13; Washington.
Kuzina & Yatskov 1999 Nizhne- i srednekamennougol#nye ammonoidei Novoi Zemli.
Trudy Paleontologicheskogo Instituta, Rossiiskaia Akademiia Nauk, 275: 1-144, 16 pls., 72 figs., Moskva.
Kuzina 1999 Biostratigraphic Distribution of Lower Carboniferous Ammonoids in Northern Russia.
In: Olóriz,F. & Rodríguez-Tovar,F.J., Advancing Research on Living and Fossil Cephalopods, 505-519, 7 figs., New York.
Wagner-Gentis 1963 Lower Namurian goniatites from the Griotte limestone of the Cantabric Mountain Chain.
Not. Comm. Inst. geol. Min. Esp., 69: 5-42, pl.1-8; Madrid.