viarius, Cynolebias Vaz-Ferreira [R.], Sierra de Soriano [B.] & Scaglia de Paulete [S.] 1965:1, Pls. 1-2 [Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo v. 8 (no. 102) (for 25 June 1964); ref. 9087] Pool along Route 15, between Arroyo Valizas and Balneario Aguas Dulces, 34°22'S, 53°43'W, Dept. of Rocha, Uruguay. Holotype: ZVC P.798. Paratypes: MHNM CI 1439 [ex ZVC P.789] (3, apparently lost), ZVC P.799 (1). Type catalog: Olazarri et al. 1970:5 [ref. 23527], Loureiro et al. 2016:413, 414 [ref. 35150]. •Valid as Cynolebias viarius Vaz-Ferreira, Sierra de Soriano & Scaglia de Paulete 1965 -- (Costa 1995:72 [ref. 22097]). •Valid as Austrolebias viarius (Vaz-Ferreira, Sierra de Soriano & Scaglia de Paulete 1965) -- (Costa 1998:75 [ref. 23792], Lazara 2001:63 [ref. 25711], Costa & Cheffe 2001:180 [ref. 25851], Costa 2002:917 [ref. 26505], Calviño 2003:11 [ref. 26595], Costa in Reis et al. 2003:528 [ref. 27061], Loureiro et al. 2004:27 [ref. 27658], Costa 2006:117 [ref. 28708], Costa 2009:180 [ref. 30417], Volcan et al. 2014:169 [ref. 33543], Litz & Koerber 2014:31 [ref. 33622], Bertaco et al. 2016:424 [ref. 34561], Nión et al. 2016:43 [ref. 35565] dated 1964, Loureiro et al. 2018:11 [ref. 36240], Volcan et al. 2021:106 [ref. 38292], Loureiro et al. 2023:167 [ref. 40506]). •Valid as Garcialebias viarius (Vaz-Ferreira, Sierra de Soriano & Scaglia de Paulete 1965) -- (Alonso et al. 2023:13 [ref. 40292], Koerber et al. 2023:10 [ref. 40355]). Current status: Valid as Garcialebias viarius (Vaz-Ferreira, Sierra de Soriano & Scaglia de Paulete 1965). Rivulidae: Cynolebiinae. Distribution: South America: pools of coastal river drainages (southeastern Uruguay). Habitat: freshwater.