Gulick, A. (1904). The fossil land shells of Bermuda. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 56(2): 406-425., available online athttps://www.biodiversitylibrary.org/page/26316818 page(s): 421, pl. 36, fig. 13 [details]
original descriptionGulick, A. (1904). The fossil land shells of Bermuda. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 56(2): 406-425., available online athttps://www.biodiversitylibrary.org/page/26316818 page(s): 421, pl. 36, fig. 13 [details]
basis of recordBieler, R. & Slapcinsky, J. (2000). A case study for the development of an island fauna: Recent terrestrial mollusks of Bermuda. <em>Nemouria.</em> 44: 1-99., available online athttps://www.biodiversitylibrary.org/page/45974319[details]