Costa, W.J. 2004.

Rivulus uakti sp. n. and R. amanapira sp. n. (Teleostei: Cyprinodontiformes:Rivulidae): two new species from the upper Rio
Negro, Brazilian Amazon

. Zootaxa. 465, 1 (Mar. 2004), 1–12. DOI:https://doi.org/10.11646/zootaxa.465.1.1.