Typová lokalita
Stream 4 kilometers from city of Sampaio, floodplains of left bank of Tocantins River, 5°23'00"S, 47°51'41"W, Município de Sampaio, Estado de Tocantins, Brazil.
Původní popis
Costa, W. J. E. M. 2010. Two new species of the Rivulus urophthalmus group from the Tocantins and Xingu river drainages, eastern Brazilian Amazon (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters v. 21 (no. 1): 79-85.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.