Drouët, H. 1894. Description de deux Unionidæ de Bornéo. Rev. Biol. Nord France 6: 216-218. Available electronically.

Drouët, 1894. Rev. Biol. Nord France 6: 217, text fig. 2.
Drouët, 1895. J. de Conch. 43: 37, sp. 112.
Type(s): SYNTYPE SMF_3602, Insel Banguey b. Borneo.
Drouët, 1894. Rev. Biol. Nord France 6: 216, text fig. 1.
Drouët, 1895. J. de Conch. 43: 36, sp. 111.
(homonym of Unio calamitarum var. B prolongata Fischer & Crosse, 1894)