Cushman, J. A.; Renz, H. H. (1941). New Oligocene-Miocene Foraminifera from Venezuela. Contributions from the Cushman laboratory for foraminiferal research. 17(1): 1-27.
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Cushman, J. A.; Renz, H. H.
1941
New Oligocene-Miocene Foraminifera from Venezuela.
Contributions from the Cushman laboratory for foraminiferal research