maculatum, Xiphostoma Valenciennes [A.] in Cuvier & Valenciennes 1850:357 [Histoire naturelle des poissons v. 22; ref. 1014] Amazon River, Brazil. Holotype (unique): MNHN 0000-4232. Type catalog: Bertin 1948:30 [ref. 19577]. •Valid as Boulengerella maculata (Valenciennes 1850) -- (Ortega & Vari 1986:10 [ref. 9708], Vari 1995:63 [ref. 21840], Vari in Reis et al. 2003:252 [ref. 27061], Barriga Salazar 2014:110 [ref. 35745], DoNascimiento et al. 2017:45 [ref. 35633], Urbano-Bonilla et al. 2018:83 [ref. 35773], Silvano et al. 2020:95 [ref. 38133], Meza-Vargas et al. 2021:15 [ref. 39298]). Current status: Valid as Boulengerella maculata (Valenciennes 1850). Ctenoluciidae. Distribution: South America: Amazon, Tocantins and Orinoco river basins (Brazil, Colombia, Ecuador, Peru and Venezuela). Habitat: freshwater.