barbata, Microcambeva Costa [W. J. E. M.] & Bockmann [F. A.] 1994:718, Figs. 2-3 [Journal of Natural History v. 28 (no. 3); ref. 21339] Rio São João, near Gaviões, Município de Silva Jardim, Estado do Rio de Janeiro, Brazil. Holotype: MZUSP 43678. Paratypes: MZUSP 43679 (1), UFRJ 684 (2, c&s). Type catalog: Ferraris 2007:409 [ref. 29155]. •Valid as Microcambeva barbata Costa & Bockmann 1994 -- (Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], Costa et al. 2004:2 [ref. 27842], Ferraris 2007:409 [ref. 29155], Mattos et al. 2008:161 [ref. 29875], Mattos & Lima 2010:233 [ref. 31040], Costa et al. 2019:1848 [ref. 37015], Sarmento-Soares et al. 2019:583 [ref. 37198], Costa et al. 2020:13 [ref. 37273], Medeiros et al. 2020:120 [ref. 38015], Costa & Katz 2021:331 [ref. 38742], Medeiros et al. 2021:12 [ref. 38396]). Current status: Valid as Microcambeva barbata Costa & Bockmann 1994. Trichomycteridae: Microcambevinae. Distribution: Rio São João basin, Rio de Janeiro State, Brazil. Habitat: freshwater.