original descriptionPfeiffer, L. (1847). Diagnosen neuer Landschnecken. <em>Zeitschrift für Malakozoologie. Cassel (Theodor Fischer).</em> 4 (10): 145-151., available online athttps://biodiversitylibrary.org/page/16292139 page(s): 150 [details]
additional sourceMartens, E. von. (1859). Ueber einige Land- und Süsswasser-Schnecken aus Venezuela. <em>Malakozoologische Blätter.</em> 6: 59-66., available online athttps://www.biodiversitylibrary.org/page/16014157 page(s): 59 [details]