Cushman, J. A.; Ponton, J. M. (1932). An Eocene foraminiferal fauna of Wilcox age from Alabama. Contributions from the Cushman laboratory for foraminiferal research. 8(3): 51-72.
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Cushman, J. A.; Ponton, J. M.
1932
An Eocene foraminiferal fauna of Wilcox age from Alabama.
Contributions from the Cushman laboratory for foraminiferal research