obscurus, Cynolebias Costa [W. J. E. M.] 2014:83, Fig. 2 [Ichthyological Exploration of Freshwaters v. 25 (no. 1); ref. 33510] Temporary pools next to road BA-156, about 6 km southeast of the town of Macaúbas, Paramirim river drainage, São Francisco River basin, 13°03'10"S, 42°36'58"W, Brazil., elevation 554 meters Holotype: UFRJ 9320. Paratypes: UFRJ 6774 (1), 6775 (8), 9321 (3). •Valid as Cynolebias obscurus Costa 2014 -- (Silva et al. 2020:14 [ref. 37809]). Current status: Valid as Cynolebias obscurus Costa 2014. Rivulidae: Cynolebiinae. Distribution: South America: Paramirim River drainage, São Francisco River basin (Brazil). Habitat: freshwater.