J. M. Craig, V. Correa-Roldán, H. Ortega, W. G. R. Crampton, and J. S. Albert, “Revision of Gymnotus (Gymnotiformes: Gymnotidae) from the Upper Madeira Basin of Bolivia and Peru, with descriptions of two new species”, Zootaxa, vol. 4413, no. 1, pp. 111–132, Apr. 2018.