vorderwinkleri, Hemigrammus Géry [J.] 1963:11, Fig. 1, plus 1 unnumbered [Tropical Fish Hobbyist v. 12 (no. 3); ref. 4856] Near Tapurucuara, upper Rio Negro, Brazil. Holotype: USNM 198643. Paratypes: (3) Géry coll. (?1); BMNH 1972.10.17.1457 (1), ZMA 113852 (1). Type catalog: Nijssen et al. 1982:19 [ref. 19236], Vari & Howe 1991:25 [ref. 19022]. •Valid as Hemigrammus vorderwinkleri Géry 1963 -- (Lima & Oyakawa in Reis et al. 2003:134 [ref. 27061], Zarske et al. 2006:25 [ref. 28749], Carvalho et al. 2010:253 [ref. 30862], Sarmiento et al. 2014:184 [ref. 35004], DoNascimiento 2016:529 [ref. 34727], DoNascimiento et al. 2017:49 [ref. 35633], Meza-Vargas et al. 2021:18 [ref. 39298], Taphorn et al. 2022:16 [ref. 41297]). Current status: Valid as Hemigrammus vorderwinkleri Géry 1963. Acestrorhamphidae: Pristellinae. Distribution: South America: Amazon and Orinoco river basins (Brazil, Colombia, Bolivia, Guyana, Peru and Venezuela). Habitat: freshwater.