Morlet, L. 1886. Diagnoses Molluscorum novorum Tonkini. Journal de Conchyliologie 34: 75-. Available electronically.

Morlet, 1886. J. de Conch. 34: 76.
Type(s): SYNTYPE BMNH_93-2-4-1395, near Lang-son Chu, Tonkin.

Morlet, 1886. J. de Conch. 34: 76, pl. 13, figs. 5-5a.
Type(s): SYNTYPES MNHN_MP_0150, Bac Hat etang de la riviere Claire.

Morlet, 1886. J. de Conch. 34: 77, pl. 13, figs. 6-6a.
Type(s): SYNTYPE MNHN_MP_0128, Tonkin, environs de Chu.