major, Pseudacanthicus Chamon [C. C.] & Costa e Silva [T.] 2018:500, Figs. 1-2, 3A-B [Zootaxa 4387 (no. 3); ref. 35821] Rio Areias near to the confluence with rio Tocantins, Porto Nacional, Brazil, 1050'30"S, 4823'35"W. Holotype: MNRJ 50822 [ex UNT 8345]. Paratypes: INPA, MNRJ, MZUSP, UNT. •Valid as Pseudacanthicus major Chamon & Costa e Silva 2018. Current status: Valid as Pseudacanthicus major Chamon & Costa e Silva 2018. Loricariidae: Hypostominae. Distribution: Rio Tocantins basin, Brazil. Habitat: freshwater.