original description
Dall, W. H. (1896). Insular land shell faunas, especially as illustrated by the data obtained by Dr. G. Baur in the Galapagos Islands. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 48: 395-460., available online at https://www.biodiversitylibrary.org/page/1675778
page(s): 443-444, pl. 16, fig. 1 [details]
From editor or global species database
Type locality James Island [details]