taczanowskii, Chaetostomus Steindachner [F.] 1882:177 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 19 (no. 19); ref. 20487] Upper rio Huambo basin, Río de la Tortora, 6°26'S, 77°18'W, upper Amazon system, Peru. Lectotype: NMW 47219 (9 cm). Paralectotypes: NMW 47219 (1, not 9 cm). Type catalog: Ferraris 2007:231 [ref. 29155]. Original genus is correctly Chaetostoma. Species later illustrated and described in more detail in Steindachner 1882:23, Pl. 5 (figs. 2-2a) [ref. 14353]. See Fisch-Muller in Reis et al. 2003:382 [ref. 27061] for possible holotype. Lectotype established by Isbrücker 1980:64 [ref. 2302] -- see Ferraris 2007:230 [ref. 29155]. •Valid as Chaetostoma taczanowskii Steindachner 1882 -- (Isbrücker 1980:64 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Salcedo 2006:63 [ref. 28542], Ferraris 2007:231 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745] as taczaznowskii, Lujan et al. 2015:666 [ref. 33975], Meza-Vargas et al. 2024:1398 [ref. 41639]). Current status: Valid as Chaetostoma taczanowskii Steindachner 1882. Loricariidae: Hypostominae. Distribution: South America: Huallaga River drainage, Marañon River basin, Ecuador and Peru. Habitat: freshwater.