Traits taxon details
original description
Clapp, W. F. (1914). List of land shells from Swan Island, with descriptions of five new species. <em>The Nautilus.</em> 27(9): 97-101, pl. 6., available online at https://www.biodiversitylibrary.org/page/1752620 page(s): 100, pl. 6, figs. 3-4 [details]
additional source
Pilsbry, H. A. (1930). Results of the Pinchot South Sea Expedition - I. Land mollusks of the Caribbean Islands, Grand Cayman, Swan, Old Providence and St. Andrew. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 82: 221-261, pls 15-19. Philadelphia. page(s): 243 [details] Available for editors 
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