Cushman, J. A. (1919). Fossil foraminifera from the West Indies. In: Vaughan T.W., Contributions to the geology and paleontology of the West Indies. Publications Carnegie Institution. 291: 21-71 + pls. 1-15.
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Cushman, J. A.
1919
Fossil foraminifera from the West Indies. In: Vaughan T.W., Contributions to the geology and paleontology of the West Indies