brachykechenos, Trichomycterus Ferrer [J.] & Malabarba [L. R.] 2013:237, Figs. 2d, 3d, 4d, 5d,6d, 15, 16 [Neotropical Ichthyology v. 11 (no. 2); ref. 32750] Rio Grande do Sul, Municipality of Caraá, rio do Sinos, 29°45'44"S, 50°19'39"W, Brazil. Holotype: MCN 18929. Paratypes: MCN, MCP, UFRGS. •Valid as Trichomycterus brachykechenos Ferrer & Malabarba 2013 -- (Bertaco et al. 2016:421 [ref. 34561]). •Valid as Cambeva brachykechenos (Ferrer & Malabarba 2013) -- (Katz et al. 2018:563 [ref. 36330], Ferrer 2021:226 [ref. 38890]). Current status: Valid as Cambeva brachykechenos (Ferrer & Malabarba 2013). Trichomycteridae: Trichomycterinae. Distribution: South America: Rio dos Sinos, Laguna dos Patos system (Rio Grande do Sul, southern Brazil). Habitat: freshwater.