original description
Pfeiffer, L. (1854-1860). Novitates Conchologicae. Series prima. Mollusca extramarina. Beschreibung und Abbildung neuer oder kritischer Land- und Süsswasser-Mollusken. (Mit Einschluss der Auriculaceen.). Erster Band. (1): 1–10, pls 1–3 [1854]; (2): 11–24, pls 4–6 [1854]; (3): 25–36, pls 7–9 [1855]; (4): 37–48, pls 10–12 [December 1855]; (5): 49–56, pls 13– 15 [March 1856]; (6): 57–68, pls 16–18 [May 1856]; (7): 69–78, pls 19–21 [August 1856]; (8): 79–90, pls 22–24 [December 1856]; (9): 91–98, pls 25–27 [April 1857]; (10): 99–108, pls 28–30 [January 1858]; (11): 109–120, pls 31–33 [June 1859]; (12): 121–138, pls 34– 36 [May 1860]. Cassel: Th. Fischer., available online at https://biodiversitylibrary.org/page/10992260
page(s): 35 [details]
additional source
Pfeiffer, L. (1855 ["1854"]). Descriptions of fifty-seven new species of Helicea, from Mr. Cuming's collection. <em>Proceedings of the Zoological Society of London.</em> 22(277): 286–288; 22(278): 289–298 [8 May 1855]., available online at https://biodiversitylibrary.org/page/30747711
page(s): 293 [details]
additional source
Connolly, M. (1939). A monographic survey of South African non-marine Mollusca. <em>Annals of the South African Museum.</em> 33: 1-660.
page(s): 314 [details] Available for editors [request]
additional source
Connolly, M. (1925). The non-marine Mollusca of Portuguese East Africa. Transactions of the Royal Society of South Africa, 12 (3): 105-220, pl. 4-8. Cape Town. [March].
page(s): 169 [details]
From editor or global species database
Type locality 'Port Natal' [Durban, KwaZulu-Natal, South Africa]. [details]