griseus, Cynolebias Costa [W. J. E. M.], Lacerda [M. T. C.] & Brasil [G. C.] 1990:11, Figs. 9-10 [Revue française d'Aquariologie Herpétologie v. 17 (no. 1); ref. 16652] Temporary lagoon, Goiás, Munic. de Nova Roma, Brazil, 14°03'S, 44°57"W. Holotype: MZUSP 40119. Paratypes: MZUSP 40120 (3). •Valid as Cynolebias griseus Costa, Lacerda & Brasil 1990 -- (Costa 1995:79 [ref. 22097], Costa 1998:238 [ref. 23578], Costa 1998:76 [ref. 23792], Lazara 2001:77 [ref. 25711], Costa 2001:351 [ref. 25719], Costa 2002:917 [ref. 26505], Costa in Reis et al. 2003:529 [ref. 27061], Costa 2009:146 [ref. 30511], Costa 2014:79 [ref. 33910]). Current status: Valid as Cynolebias griseus Costa, Lacerda & Brasil 1990. Rivulidae: Cynolebiinae. Distribution: Upper Tocantins River basin, Brazil. Habitat: freshwater.