nigrolineatus, Chaetostomus Peters [W. (C. H.)] 1877:471, Unnumbered pl. following p. 556 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1877; ref. 18538] Guárico River at Calabozo, Apure River drainage, Guárico State, Venezuela. Syntypes: ZMB 10046-47 (1, 1). Type catalog: Ferraris 2007:278 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Panaque nigrolineatus (Peters 1877) -- (Ovchynnyk 1967:40 [ref. 37559], Isbrücker 1980:75 [ref. 2303], Burgess 1989:437 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:26, 30 [ref. 25653], Isbrücker 2002:24 [ref. 27178], Fisch-Muller in Reis et al. 2003:391 [ref. 27061], Ferraris 2007:278 [ref. 29155], Lujan et al. 2010:687 [ref. 31098], Barriga Salazar 2014:113 [ref. 35745], Lujan et al. 2015:664 [ref. 33975], DoNascimiento et al. 2017:81 [ref. 35633], Lujan et al. 2017:331 [ref. 35031], Urbano-Bonilla et al. 2018:75 [ref. 35773], Ortega-Lara & Lujan 2020:405 [ref. 37306], Koerber et al. 2022:52 [ref. 39235], Provenzano-Rizzi et al. in Lasso & Morales-Betancourt 2022:199 [ref. 40783]). Current status: Valid as Panaque nigrolineatus (Peters 1877). Loricariidae: Hypostominae. Distribution: South America: Orinoco River and Amazon River tributaries (Brazil, Ecuador, Colombia and Venezuela). Habitat: freshwater.