potschi, Trichomycterus Barbosa [M. A.] & Costa [W. J. E. M.] 2003:282, Figs. 1-5 [Ichthyological Exploration of Freshwaters v. 14 (no. 3); ref. 27395] Rio das Cachoeiras, serra do Matutu, Município de Mangaratiba, Estado do Rio de Janeiro, Brazil. Holotype: MCP 29061. Paratypes: MCP 29062 (2), UFRJ 3247 (4, 1 c&s), 4727 (11), 4728 (5, c&s). Plus non-types. Type catalog: Ferraris 2007:422 [ref. 29155]. •Valid as Trichomycterus potschi Barbosa & Costa 2003 -- (Bockmann et al. 2004:227 [ref. 27855], Ferraris 2007:421-422 [ref. 29155], Barbosa & Costa 2010:121 [ref. 30782], Barbosa & Katz 2016:262 [ref. 34950], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus potschi Barbosa & Costa 2003. Trichomycteridae: Trichomycterinae. Distribution: South America: coastal basins between Mangaratiba and Itaguaí (Rio de Janeiro state, Brazil). Habitat: freshwater.