Hidalgo, G. 1865. Diagnosis Castalie novæ. Journal de Conchyliologie 13: 316. https://www.biodiversitylibrary.org/page/15133927.

Hidalgo, 1865. J. de Conch. 13: 316.
Hidalgo, 1865. J. de Conch. 13: 429, pl. 14, fig. 2.
LECTOTYPE MNHN-IM-2000-35847 (by Fischer-Piette, 1950: 66), “Hab. Imbabura, Républicæ Æquatorianæ (coll. Crosse, Hidalgo et Paz).”.