parnaibensis, Cynolebias Costa [W. J. E. M.], Ramos [T. P. A.], Alexandre [L. C.] & Ramos [R. T. C.] 2010:284, Fig. 1 [Neotropical Ichthyology v. 8 (no. 2); ref. 30866] Seasonal lagoon at the right side of the road between Conceição do Canindé and Jacobina do Piauí, 8°00'54"S, 41°25'26"W, Município de Jacobina do Piauí, Estado do Piauí, Brazil. Holotype: UFPB 6719. Paratypes: UFPB 6709 (6), 6734 (2), 6735 (3, 2 c&s), 6736 (2). •Valid as Cynolebias parnaibensis Costa, Ramos, Alexandre & Ramos 2010 -- (Costa 2014:80 [ref. 33510], Ramos et al. 2014:4 [ref. 35321]). Current status: Valid as Cynolebias parnaibensis Costa, Ramos, Alexandre & Ramos 2010. Rivulidae: Cynolebiinae. Distribution: Northeastern Brazil. Habitat: freshwater.