Cushman, J. A.; Bermúdez, P. J. (1937). Additional new species of Eocene Foraminifera from Cuba. Contributions from the Cushman laboratory for foraminiferal research. 13(4): 106-110.
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Cushman, J. A.; Bermúdez, P. J.
1937
Additional new species of Eocene Foraminifera from Cuba.
Contributions from the Cushman laboratory for foraminiferal research