xinguensis, Rivulus Costa [W. J. E. M.] 2010:83, Fig. 2 [Ichthyological Exploration of Freshwaters v. 21 (no. 1); ref. 30788] Swamp close to left back of Xingu River, near Altamira, 3°11'59"S, 52°11'50"W, Município de Altamira, Estado do Pará, Brazil. Holotype: UFRJ 6686. Paratypes: UFRJ 6263 (7), 6264 (1), 6266 (2, c&s). •Valid as Anablepsoides xinguensis (Costa 2010) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides xinguensis (Costa 2010). Rivulidae: Rivulinae. Distribution: Left bank of Xingu River, near Altamira, Brazil. Habitat: freshwater.