Nannostomus Günther [A.] 1872:146 Masc. Nannostomus beckfordi Günther 1872. Type by monotypy. •Valid as Nannostomus Günther 1872 -- (Weitzman 1966:9 [ref. 12368], Weitzman & Cobb 1975 [ref. 7134], Géry 1977:130 [ref. 1597], Weitzman 1978 [ref. 7040], Fernandez & Weitzman 1987 [ref. 5981], Géry & Zarske 2002:36 [ref. 26555], Weitzman & Weitzman in Reis et al. 2003:243 [ref. 27061], Zarske 2009:11 [ref. 30197], Zarske 2011:283 [ref. 31670], Netto-Ferreira et al. 2011:767 [ref. 31718], Zarske 2013:125 [ref. 32773], Sarmiento et al. 2014:186 [ref. 35004]). Current status: Valid as Nannostomus Günther 1872. Lebiasinidae: Pyrrhulininae.