Guppy, R. J. L. (1871). Notes on some new forms of terrestrial and fluviatile Mollusca found in Trinidad. American Journal of Conchology. 6(4): 306–311, pl. 17, figs. 1-12.
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Guppy, R. J. L.
1871
Notes on some new forms of terrestrial and fluviatile Mollusca found in Trinidad
