depressus, Rivulus Costa [W. J. E. M.] 1991:585, Fig. 2 (not 3) [Revue Suisse de Zoologie v. 98 (no. 3); ref. 20033] Stream near Porto Seguro, River João de Tiba basin, Brazil. Holotype: UFPB 2213. Paratypes: UFPB 1749 (17, 2 c&s). •Valid as Rivulus depressus Costa 1991 -- (Huber 1992:179 [ref. 20639], Lazara 2001:274 [ref. 25711], Costa in Reis et al. 2003:535 [ref. 27061], Costa 2004:105 [ref. 27824], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2008:47 [ref. 29622] in subgenus Atlantirivulus, Costa 2008:135 [ref. 29871], Costa & De Luca 2009:73 [ref. 30257]). •Valid as Atlantirivulus depressus (Costa 1991) -- (Costa 1991) -- (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 depressus (Costa 1991). Rivulidae: Rivulinae. Distribution: South America: Atlantic coastal river basins (Brazil). Habitat: freshwater.