An explanation for the stratigraphic zonation of the fossils and a report on a newly discovered occurence of the Foertia zone in western Ohio.
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Alonzo Wallace Quinn, Beth M. Madsen, David H. McIntyre, Geological Survey (U.S.), George Vincent Cohee, Grant E. Kimmel, James Morton Schopf, Kenneth A. Sargent, Victor M. Seiders, Wallace De Witt (Jr.), Edwin H. McKee, George R. Schiner, J. F. Schwietering, John M. Aaron, Robert Glenn Bates, Othmar Tardin Tobisch, Wilna B. Wright· 1971
An explanation for the stratigraphic zonation of the fossils and a report on a newly discovered occurence of the Foertia zone in western Ohio.
No image available
No image available