vazferreirai, Cynolebias Berkenkamp [H. O.], Etzel [V.], Reichert [J. J.] & Salvia [H.] 1994:11, Figs. [Das Aquarium, Monatsmagazin für Vivaristik v. 28 (no. 306); ref. 21582] "An der Strasse (Ruta) 44 bei kilometer 44, Verbindungsstrasse von Melo (= kilometer 0) nach Riveira", eastern Uruguay, 32°15'S, 54°30'E [actual 32°10.38'S, 54°32.07'W]. Holotype: SMF 18453. Paratypes: Fauna y Flora Dulceaquicola-Montevidao (2, 2); MNHM (2); MNHNM (2); SMF 18454-55 [numbers duplicated for other species] (3, 4). •Valid as Cynolebias vazferreirai Berkenkamp, Etzel, Reichert & Salvia 1994 -- (Berkenkamp et al. 1997:33 [ref. 23147]). •Valid as Austrolebias vazferreirai (Berkenkamp, Etzel, Reichert & Salvia 1994) -- (Costa 1998:75 [ref. 23792], Lazara 2001:63 [ref. 25711], Costa 2002:917 [ref. 26505], Calviño 2003:1 [ref. 26595], Costa in Reis et al. 2003:528 [ref. 27061], Costa et al. 2004:15 [ref. 27657] as vazferrerai, Costa 2006:34 [ref. 28708], Costa 2009:188 [ref. 30417], Costa 2011:100 [ref. 31504], Loureiro et al. 2011:341 [ref. 31392], Lanés et al. 2014:17 [ref. 33234], Litz & Koerber 2014:31 [ref. 33622], Bertaco et al. 2016:424 [ref. 34561], Nión et al. 2016:43 [ref. 35565], Loureiro et al. 2018:11 [ref. 36240]). •Synonym of Austrolebias cinereus (Amato 1986) -- (García et al. 2019:[12] [ref. 36487]). Current status: Synonym of Austrolebias cinereus (Amato 1986). Rivulidae: Cynolebiinae. Habitat: freshwater.