unifasciatus, Rhytiodus argenteofuscus var. Steindachner [F.] 1915:24 [10] [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Klasse. v. 93; ref. 4244] Mouth of River Negro, Brazil. Holotype (unique): NMW. On p. 10 of separate; also described in Steindachner 1917 [ref. 15259]. Species not listed in earlier abstract [ref. 18909]. •Synonym of Rhytiodus argenteofuscus Kner 1858 -- (Garavello & Britski in Reis et al. 2003:79 [ref. 27061]). Current status: Synonym of Rhytiodus argenteofuscus Kner 1858. Anostomidae. Habitat: freshwater.