paquequerense, Pygidium Miranda Ribeiro [P. de] 1943:2, Fig. [Boletim do Museu Nacional do Rio de Janeiro, Zoologia, Nova Série No. 9; ref. 10390] Rio Paquequer Grande, Estado do Rio de Janeiro, Brazil. Holotype (unique): MNRJ 1159. Type information: Miranda Ribeiro 1954:11 [ref. 21988]. Type catalog: Ferraris 2007:421 [ref. 29155]. Genus Trichomycterus is masculine, therefore correction to paquequerensis. •Synonym of Trichomycterus immaculatus (Eigenmann & Eigenmann 1889) -- (Costa et al. 2020:2923 [ref. 37529]). •Valid as Trichomycterus paquequerensis (Miranda Ribeiro 1943) (often spelled paquequerense) -- (Burgess 1989:322 [ref. 12860], Bizerril 1994:623 [ref. 22673], de Pinna & Wosiacki in Reis et al. 2003:283 [ref. 27061], Bockmann et al. 2004:227 [ref. 27855], Ferraris 2007:421 [ref. 29155], Barbosa & Costa 2011:308 [ref. 31672], García-Melo et al. 2016:238 [ref. 34471] as paquequerense, Reis & de Pinna 2022:61 [ref. 39360]). Current status: Valid as Trichomycterus paquequerensis (Miranda Ribeiro 1943). Trichomycteridae: Trichomycterinae. Distribution: South America: Paraíba do Sul River basin, southeastern Brazil. Habitat: freshwater.