pachysarkos, Hisonotus Zawadzki [C. H.], Roxo [F. F.] & da Graça [W. J.] 2016:374, Figs. 1-3 [Ichthyological Exploration of Freshwaters v. 26 (no. 4); ref. 34367] Rio Barra Grande, Rio Ivaí basin, upper rio Paraná system, Paraná, Brazil, 25°04'55"S, 51°10'35"W. Holotype: MZUSP 115283. Paratypes: ANSP, LBP, MCP, MHNCI, MZUEL, MZUSP, NUP, ZMA. Type catalog: Oliveira et al. 2022:16 [ref. 39255]. •Valid as Hisonotus pachysarkos Zawadzki, Roxo & da Graça 2016 -- (Reis et al. 2020:469 [ref. 38364]). Current status: Valid as Hisonotus pachysarkos Zawadzki, Roxo & da Graça 2016. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Ivaí basin, upper rio Paraná system (Brazil). Habitat: freshwater.