Higgins. 1868. Proceedings of the Zoological Society of London 1868. https://www.biodiversitylibrary.org/page/28664679.

Higgins, 1868. Proc. Zool. Soc. London 1868: 179, pl. 14, fig. 6.
LECTOTYPE [AS HOLOTYPE] BMNH_68-4-3-6 (by R.I. Johnson, 1971: 84), Forest streams near Chyavetas, Upper Amazons [Brazil].