Bavay & P. Dautzenberg. 1901. Journal de Conchyliologie 49: 5-. https://www.biodiversitylibrary.org/page/15860162.

Dautzenberg, 1900. J. de Conch. 48: 429.
Bavay & Dautzenberg, 1901. J. de Conch. 49: 5, pl. 1, figs. 1-2.
LECTOTYPE MNHN-IM-2000-1700 (by Haas, 1911: 52), Phuc-Son (Annam) [Vietnam].

Bavay & Dautzenberg, 1901. J. de Conch. 49: 7, pl. 1, figs. 3-4.
SYNTYPE MNHN-IM-2000-1746, Entra Lang-Son et That-Khe.

Bavay & Dautzenberg, 1901. J. de Conch. 49: 9, pl. 1, figs. 5-7.
SYNTYPE MNHN_MP_3520, Indochine entre Lang-Son et That.