maculosus, Trichomycterus Barbosa [M. A.] & Costa [W. J. E. M.] 2010:194, Fig. 1 [Vertebrate Zoology v. 60 (no. 3); ref. 31070] São Francisco Xavier, Cachoeira Pedro David, tributary of river do Peixe, Paraíba do Sul river basin, 22°55'29.5"S, 45°58'49.6"W, Município de São José, São Paulo State, Brazil, elevation about 800 meters. Holotype: UFRJ 6033. Paratypes: UFRJ 677 (6), 5168 (1), 5169 (2), 5693 (2), •Valid as Trichomycterus maculosus Barbosa & Costa 2010 -- (Barbosa & Costa 2011:308 [ref. 31672], Katz & Barbosa 2014:3 [ref. 33418], Costa et al. 2020:81 [ref. 38088], Costa et al. 2022:10 [ref. 39248], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus maculosus Barbosa & Costa 2010. Trichomycteridae: Trichomycterinae. Distribution: South America: Rio Paraíba do Sul basin (São Paulo State, Brazil). Habitat: freshwater.