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): 15-16, plate 2, figs 4-5 [details]
From editor or global species database
Type locality Engano Island [details]