mirissumba, Trichomycterus Costa [W. J. E. M.] 1992:107, Fig. 8 [Revue française d'Aquariologie Herpétologie v. 18 (no. 4) [for 1991]; ref. 19725] Rio Preto, near junction with the Santa Clara Creek, Rio Paraiba basin, Visconde de Mauá, Rio de Janeiro, Brazil. Holotype: MZUSP 43345. Paratypes: MNRJ 546 (2), 601 (1), 642 (3); MZUSP 43346 (3). Type catalog: Ferraris 2007:420 [ref. 29155]. •Valid as Trichomycterus mirissumba Costa 1992 -- (Bizerril 1994:623 [ref. 22673], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:283 [ref. 27061], Barbosa & Costa 2003:282 [ref. 27395], Barbosa & Costa 2003:179 [ref. 27636], Bockmann et al. 2004:227 [ref. 27855], Ferraris 2007:420 [ref. 29155], Barbosa & Costa 2010:121 [ref. 30782], García-Melo et al. 2016:238 [ref. 34471], Barbosa & Katz 2016:262 [ref. 34950], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus mirissumba Costa 1992. Trichomycteridae: Trichomycterinae. Distribution: South America: Preto River, Paraíba do Sul River basin (Rio de Janeiro, Brazil). Habitat: freshwater.