altus, Cynolebias Costa [W. J. E. M.] 2001:370 [Ichthyological Exploration of Freshwaters v. 12 (no. 4); ref. 25719] 25 kilometers south of Ibotirama, rio São Francisco floodplains, about 12°30'S, 43°10'W, Bahia, Brazil. Holotype: MZUSP 62564. Paratypes: MZUSP 62565 (5); UFRJ 4785 (3), 4794 (1), 4798-99 (7, 8), 5131 (3, c&s), 5132 (3, c&s), UFRJ uncat. (8). Plus additonal material. •Valid as Cynolebias altus Costa 2001 -- (Costa in Reis et al. 2003:529 [ref. 27061], Costa 2009:146 [ref. 30511], Costa 2014:80 [ref. 33510], Loureiro et al. 2018:11 [ref. 36240], Silva et al. 2020:13 [ref. 37809]). Current status: Valid as Cynolebias altus Costa 2001. Rivulidae: Cynolebiinae. Distribution: South America: middle São Francisco River basin (Brazil). Habitat: freshwater.