Clench, W.J. 1957. Two new land and freshwater mollusks from New Guinea. Breviora (76): 1-3. https://www.biodiversitylibrary.org/page/3190937#page/111/mode/1up.

Clench, 1957. Breviora (76): 3; text fig. 2.
Type(s): HOLOTYPE MCZ_212809, Inland from Daru, Western Div., Papua New Guinea.