original description
Henderson, J. B., Jr. (1898). A list of land and fresh water shells of Enganio with descriptions of new species. <em>The Nautilus.</em> 12(2): 13–17, pl. 2., available online at https://biodiversitylibrary.org/page/1746711
page(s): 16, pl. 2, figs 8-9 [details]
From editor or global species database
Type locality Engano [details]