thoracatus, Auchenipterus Kner [R.] 1858:425 [55], Pl. 7 (fig. 22) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Rio Guaporé, Brazil. Syntypes: NMW 47454 (2). Type catalog: Ferraris 2007:71 [ref. 29155]. On p. 55 of separate. Auchenipterus thoracicus Günther 1864:194 is an unjustified emendation. •Valid as Auchenipterichthys thoracatus (Kner 1858) -- (Ortega & Vari 1986:14 [ref. 9708], Soares-Porto 1994:281 [ref. 21570], Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris et al. 2005:101 [ref. 28560], Ferraris 2007:71 [ref. 29155] dated 1857, Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:142, 189 [ref. 35004], DoNascimiento 2016:538 [ref. 34727], see DoNascimiento et al. 2017:[22] [ref. 35679], Calegari et al. 2019:[86] [ref. 36961], Careaga et al. 2020:77 [ref. 37774], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterichthys thoracatus (Kner 1858). Auchenipteridae: Auchenipterinae. Distribution: South America: upper Madeira River drainage, Amazon River basin (Bolivia, Brazil, Ecuador, Peru); ?Venezuela. Habitat: freshwater.