missioneiro, Gymnogeophagus Malabarba [L. R.], Malabarba [M. C.] & Reis [R. E.] 2015:651, Figs. 6d, 10 [Neotropical Ichthyology v. 13 (no. 4); ref. 34105] Arroio Ximbocuzinho, tributary to rio Piratini, middle rio Uruguay basin, Rio Grande do Sul, Brazil, approx. 28°27'S, 54°58'W. Holotype: MCP 23495. Paratypes: MCP, UMMZ. •Valid as Gymnogeophagus missioneiro Malabarba, Malabarba & Reis 2015 -- (Bertaco et al. 2016:426 [ref. 34561], Casciotta et al. 2017:3 [ref. 35497]). Current status: Valid as Gymnogeophagus missioneiro Malabarba, Malabarba & Reis 2015. Cichlidae: Cichlinae. Distribution: Rio Piratini and tributaries, middle rio Uruguay basin, Rio Grande do Sul, Brazil. Habitat: freshwater.