Pfeiffer, L. 1860. Beschreibung und abbildung neuer oder kritischer land- und süsswasser-mollusken. Descriptions et figures de coquilles extramarines nouvelles ou peu connues. Novitates Conchologicae 2(13): 139-152, pl. 37-39. Available electronically.

Dunker, 1849. Zeitschr. f. Malakozool. 5(12): 182.
Pfeiffer, 1860. Novit. Conch. 2(13): 150, pl. 39, figs. 1, 3.
Type(s): TYPE ZMB_108715, Rio Macacu, Prov. Rio de Janeiro, Distr. Canto Gallo.

Dunker, 1849. Zeitschr. f. Malakozool. 5(12): 181.
Pfeiffer, 1860. Novit. Conch. 2(13): 151, pl. 39, figs. 4, 9.
Type(s): TYPE ZMB_108717, Rio Negro, Brazil.