robertsoni, Hypostomus Dias [A. C.] & Zawadzki [C. H.] 2021:11, Figs. 5-6 [Neotropical Ichthyology v. 19 (no. 2): e200093; ref. 38417] Keller River, tributary of Ivaí River, upper Paraná River basin, Município de Marialva, Paraná State, Brazil, 23°38'28"S, 51°51'31"W. Holotype: NUP 22740. Paratypes: LBP, LIRP, MCNIP, MZUEL, NUP. Plus additional non-type material. Type catalog: Oliveira et al. 2022:27 [ref. 39255]. •Valid as Hypostomus robertsoni Dias & Zawadzki 2021. Current status: Valid as Hypostomus robertsoni Dias & Zawadzki 2021. Loricariidae: Hypostominae. Distribution: South America: Ivaí River drainage, upper Paraná River basin (Paraná, Brazil). Habitat: freshwater.