Pilsbry, H. A. & Vanatta, E. G. (1899). Some Cuban species of Cerion. Proceedings of the Academy of Natural Sciences of Philadelphia. 50 (3): 475-478, fig. 1-9.
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Pilsbry, H. A. & Vanatta, E. G.
1899
Some Cuban species of <i>Cerion</i>
Proceedings of the Academy of Natural Sciences of Philadelphia