robustus, Cynolebias Günther [A.] 1883:140 [Annals and Magazine of Natural History (Series 5) v. 11 (no. 62) (art. 18); ref. 21260] Within 10 miles of San Antonio, La Plata, Province Buenos Aires, Argentina. Holotype (unique): BMNH 1879.6.28.12. •Synonym of Cynolebias elongatus Steindachner 1881 -- (Costa 1995:78 [ref. 22097]). •Synonym of Austrolebias bellotti (Steindachner 1881) -- (Lazara 2001:60 [ref. 25711]). •Valid as Austrolebias robustus (Günther 1883) -- (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], Calviño 2005:15 [ref. 28325], Calviño 2006:183 [ref. 28679], Costa 2006:37 [ref. 28708], Costa 2011:100 [ref. 31504], Koerber 2011:7 [ref. 31122], Koerber 2014:12 [ref. 33621], Mirande & Koerber 2015:51 [ref. 35117], Koerber et al. 2017:7 [ref. 35083], Koerber et al. 2017:8 [ref. 35632], Loureiro et al. 2018:11 [ref. 36240], García et al. 2019:[12] [ref. 36487], Koerber et al. 2019:9 [ref. 36736]). •Valid as Cypholebias robustus (Günther 1883) -- (Alonso et al. 2023:12 [ref. 40292], Koerber et al. 2023:4 [ref. 40368]). Current status: Valid as Cypholebias robustus (Günther 1883). Rivulidae: Cynolebiinae. Distribution: South America: La Plata River basin (Argentina). Habitat: freshwater.