Descrição original: (como Naesiotus (Naesiotus) bicolor Weyrauch, 1967)Weyrauch, W. K. (1967). Treinta y ocha nuevos gastropodos terrestres de Peru. Acta Zoológica Lilloana. 21: 343-455, pls. 1-9.
página(s): 408, fig. 83
Breure, Bram. (1979). Systematics, phylogeny and zoogeography of Bulimulinae (Mollusca). Verh. (Leiden).. 168
Breure, Bram. (2012). Weurauch’s type localities: a clarification; with illustrations of types of Orthalicoidea (Mollusca, Gastropoda, Stylommatophora) in the Tucumán museum. Folia conchyliologica. 17. 4-24