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Furnish & Knapp |
1966 |
Lower Pennsylvanian fauna from Eastern Kentucky; Part 1, Ammonoids.
Journal of Paleontology, 40: 296-308, fig.1-5, pl.35; Tulsa, Okla.
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Knapp |
1965 |
Mississippian cephalopods of the Eastern Interior United States.
Unpublished Dissertation, University of Iowa, 1-208, 27 fig., 6 pl., Iowa City
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