trifasciatus, Nannostomus Steindachner [F.] 1876:123 [75], Pl. 9 (fig. 2) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4225] Amazon River near mouth of Rio Negro and Tabatinga, Brazil. Syntypes: NMW 56522-23 (3, 5). On p. 75 of separate. •Valid as nannostomus trifasciatus Steindachner 1876 -- (Weitzman 1966:27 [ref. 12368], Weitzman & Cobb 1975:27 [ref. 7134], Ortega & Vari 1986:10 [ref. 9708], Paepke & Arendt 2001:152 [ref. 26010], Weitzman & Weitzman in Reis et al. 2003:246 [ref. 27061]). Current status: Valid as Nannostomus trifasciatus Steindachner 1876. Lebiasinidae: Pyrrhulininae. Distribution: Peruvian, Bolivian and Brazil Amazon River basins, Negro River basin and Guyana: Bolivia, Brazil, Guyana and Peru. Habitat: freshwater.