original description
Smith, E. A. (1905). On a small collection of Mollusca from Tierra del Fuego. <em>Proceeding of the Malacological Society of London.</em> 6: 333-339., available online at https://www.biodiversitylibrary.org/page/15176476
page(s): 339, text fig. 7. [details]
additional source
Pilsbry, H. A. (1911). Non-marine Mollusca of Patagonia. In: Scott, W.B. (Ed.) Reports of the Princeton University Expeditions to Patagonia, 1896-1899. Volume III, 2. Zoology. Princeton University, Princeton, N.J.; Schweizerbart'sche Verlagshandlung, Stuttgart, pp. 513-633, pls 38-47 + 5. , available online at https://www.biodiversitylibrary.org/page/23493634 [details]
From editor or global species database