paranaguensis, Atlantirivulus Costa [W. J. E. M.] 2014:15, Figs. 6-7 [Vertebrate Zoology v. 64 (no. 1); ref. 33307] Estado do Paraná, Município de Paranaguá, stream crossing the road PR --407, about 2 km from Vila dos Comerciários, town of Paranaguá, 25°36′ 03″ S, 48°33′ 28″ W, Brazil. Holotype: UFRJ 9794. Paratypes: UFRJ 5217 (7), 6362 (17), 6363 (4), 9763 (4). Plus non-type specimens. •Possibly a synonym of Rivulus rachovii Ahl 1925 -- (Huber 2017:20 [ref. 35720]). •Valid as Atlantirivulus paranaguensis Costa 2014 -- (Reis et al. 2020:473 [ref. 38364]). Current status: Valid as Atlantirivulus paranaguensis Costa 2014. Rivulidae: Rivulinae. Distribution: South America: small river basins flowing into Paranaguá Bay, southeastern Mata Atlantica (Brazil). Habitat: freshwater.