vireo, Hisonotus Carvalho [T. P.] & Reis [R. E.] 2011:33, 4f, 8f, 27a, 36-38 [Neotropical Ichthyology v. 9 (no. 1); ref. 31240] Caraá, rio dos Sinos, bridge 7 Kilometers north of Caraá, road to Fundo Quente, 29°47'S, 50°19'W, Rio Grande do Sul, Brazil. Holotype: MCP 44518. Paratypes: ANSP 188704 (4); MCP 14619 (7, 3 c&s), 17620 (9), 17643 (6); MZUSP 104946 (4). Plus non-type material. •Valid as Hisonotus vireo Carvalho & Reis 2011 -- (Roxo et al. 2015:139 [ref. 33763], Zawadzki et al. 2016:381 [ref. 34367], Roxo et al. 2016:236 [ref. 34426], Bertaco et al. 2016:418 [ref. 34561], Calegari et al. 2017:244 [ref. 35203], Roxo et al. 2018:[13] [ref. 35900]). Current status: Valid as Hisonotus vireo Carvalho & Reis 2011. Loricariidae: Hypoptopomatinae. Distribution: Rio Jacuí basin, Brazil. Habitat: freshwater.