unae, Plecostomus Steindachner [F.] 1878:383 [5] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 77 (1. Abth.); ref. 18774] Rio Una, Brazil. Syntypes: (several) BMNH 1861.11.23.12 (1), NMW 44259 (4). Type catalog: Ferraris 2007:261 [ref. 29155]. On p. 5 of separate. •Valid as Hypostomus unae (Steindachner 1878) -- (Isbrücker 1980:36 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:20 [ref. 27178], Armbruster 2004:80 [ref. 27644], Ferraris 2007:261 [ref. 29155], Zanata et al. 2013:247 [ref. 32751], Zanata & Pitanga 2016:231 [ref. 34535], Zawadzki et al. 2017:13 [ref. 35355], Ramos et al. 2017:8 [ref. 35396], Zawadzki et al. 2017:572 [ref. 35666], Anjos et al. 2019:[1] [ref. 37130], Silva et al. 2020:11 [ref. 37809], Vieira-Guimarães et al. 2024:48 [ref. 41258]). Current status: Valid as Hypostomus unae (Steindachner 1878). Loricariidae: Hypostominae. Distribution: South America: Serra River drainage, Bahia State (Brazil). Habitat: freshwater.