Traits name details
original description
Simpson, C. T. (1895). Distribution of the land and fresh-water mollusks of the West Indian region, and their evidence with regard to past changes of land and sea. <em>Proceedings of the United States National Museum.</em> 17(1011): 423-450., available online at https://www.biodiversitylibrary.org/page/15675437 page(s): 449, pl. 16, figs 1, 2 [details]
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