filamentosa, Microcambeva Costa [W. J. E. M.], Katz [A. M.] & Vilardo [P.] in Costa, Vilardo & Katz 2020:13, Figs. 1, 2A, 3A-B, 4 [Zoologischer Anzeiger v. 285; ref. 37273] Rio Preto close to the STB-420 road, tributary of the Rio Ipiranga, which is a tributary of the Rio Juquiá, Rio Ribeira de Iguape basin, Município de Sete Barras, Estado de São Paulo, Brazil, 24°11'36"S, 47°53'26"W, elevation about 25 meters. Holotype: UFRJ 12187. Paratypes: UFRJ. •Valid as Microcambeva filamentosa Costa, Katz & Vilardo 2020 -- (Costa & Katz 2021:333 [ref. 38742]). Current status: Valid as Microcambeva filamentosa Costa, Katz & Vilardo 2020. Trichomycteridae: Microcambevinae. Distribution: Rio Preto drainage, Ribeira de Iguape basin, São Paulo State, Brazil. Habitat: freshwater.