giganteus, Trichomycterus Lima [S. M. Q.] & Costa [W. J. E. M.] 2004:2, Fig. 1 [Zootaxa No. 761; ref. 27979] Rio Guandu-Mirim, Rio Guandu basin, Campo Grande, Município do Rio de Janeiro, Estado do rio de Janeiro, Brazil. Holotype: UFRJ 5999. Paratypes: MCP 35028 (4); UFRJ 5399 (4), 5730 (10), 5732 (2 c&s), 5733 (2 c&s). Type catalog: Ferraris 2007:418 [ref. 29155]. •Valid as Trichomycterus giganteus Lima & Costa 2004 -- (Ferraris 2007:418 [ref. 29155], Barbosa & Costa 2010:121 [ref. 30782], García-Melo et al. 2016:237 [ref. 34471], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus giganteus Lima & Costa 2004. Trichomycteridae: Trichomycterinae. Distribution: South America: upper Guandu River basin, Serra do Mendanha (Rio de Janeiro State, Brazil). Habitat: freshwater.