machadoi, Plectrochilus Miranda Ribeiro [A. de] 1917:50, Fig. [Revista da Sociedade Brasileira de Sciências (Rio de Janeiro) v. 1; ref. 5742] Rio Solimões, upper Amazon River system, Brazil. Holotype (unique): MNRJ 978. Type catalog: Miranda Ribeiro 1955:405 [ref. 12732], Miranda Ribeiro 1954:17 [ref. 21988], Ferraris 2007:411 [ref. 29155]. •Valid as Plectrochilus machadoi Miranda Ribeiro 1917 -- (Burgess 1989:324 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:277 [ref. 27061], Ferraris 2007:411 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004], see DoNascimiento et al. 2017:[15] [ref. 35679]). Current status: Valid as Plectrochilus machadoi Miranda Ribeiro 1917. Trichomycteridae: Vandelliinae. Distribution: Amazon River basin: Brazil, Bolivia and Peru. Habitat: freshwater.