Cushman, J. A.; Ellisor, A. C. (1944). Three new species of Spiroloculina from the Middle Eocene of Texas. Contributions from the Cushman laboratory for foraminiferal research. 20(2): 50-52.
184076
Cushman, J. A.; Ellisor, A. C.
1944
Three new species of Spiroloculina from the Middle Eocene of Texas.
Contributions from the Cushman laboratory for foraminiferal research