unaensis, Rivulus Costa [W. J. E. M.] & De Luca [A. C.] 2009:72, Fig. 1 [Ichthyological Exploration of Freshwaters v. 20 (no. 1); ref. 30257] Stream within forest northwest of Una, 15°10"48"S, 39°10'48"W, Município de Una, Estado da Bahia, Brazil, elevation about 100 meters. Holotype: UFRJ 6595. Paratypes: UFRJ 6596 (5), 6597 (3, 1 c&s). •Valid as Atlantirivulus unaensis (Costa & De Luca 2009) -- (Costa 2011:244 [ref. 31655], Silva et al. 2020:13 [ref. 37809], Vieira-Guimarães et al. 2024:54 [ref. 41258]). Current status: Valid as Atlantirivulus unaensis (Costa & De Luca 2009). Rivulidae: Rivulinae. Distribution: South America: northeast of Una, Bahia State (Brazil). Habitat: freshwater.