rectiventer, Cynolebias Costa [W. J. E. M.] 2014:87, Fig. 4 [Ichthyological Exploration of Freshwaters v. 25 (no. 1); ref. 33510] Seasonal lagoon in the floodplains of the Verde River, 10°43'20"S, 42°20'30"W, elevation 404 meters. Holotype: UFRJ 8896. Paratypes: BMNH 2013.6.23.7-8 (2), UFRJ, ZFMJ •Valid as Cynolebias rectiventer Costa 2014 -- (Silva et al. 2020:14 [ref. 37809]). Current status: Valid as Cynolebias rectiventer Costa 2014. Rivulidae: Cynolebiinae. Distribution: Verde River floodplains, São Francisco River basin, Brazil. Habitat: freshwater.