parkoi, Pygidium Miranda Ribeiro [P. de] 1944:1, Fig. [Boletim do Museu Nacional do Rio de Janeiro, Zoologia, Nova Série No. 19; ref. 9906] Rio Javarí [River Iticoaí], Amazonas, Brazil. Holotype (unique): MNRJ 3849. Type information: Miranda Ribeiro 1954:11 [ref. 21988]. Type catalog: Ferraris 2007:407 [ref. 29155]. •Valid as Trichomycterus parkoi (Miranda Ribeiro 1944) -- (Burgess 1989:322 [ref. 12860]). •Valid as Ituglanis parkoi (Miranda Ribeiro 1944) -- (Costa & Bockmann 1993:43 [ref. 21010], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:275 [ref. 27061], de Pinna & Keith 2003:873 [ref. 27831], Datovo & Landim 2005:462 [ref. 28558], Saramento-Soares et al. 2006:310 [ref. 28814], Ferraris 2007:407 [ref. 29155], Datovo 2014:467 [ref. 33282], Datovo et al. 2016:440 [ref. 34783], Mendonça et al. 2018:485 [ref. 36234]). Current status: Valid as Ituglanis parkoi (Miranda Ribeiro 1944). Trichomycteridae: Trichomycterinae. Distribution: Amazon River basin, Brazil. Habitat: freshwater.