camaquensis, Austrolebias Volcan [M. V.], Gonçalves [Â. C.] & Lanés [L. E. K.] 2017:142, Figs. 1-5 [Zootaxa 4338 (no. 1); ref. 35644] Temporary pool in the floodplains of Arroio Santo Antônio (tributary of Rio Camaquã), close to BR-471 highway, Canguçu municipality, Rio Grande do Sul, Brazil, 30°58'25"S, 52°39'47"W. Holotype: MCP 50817. Paratypes: MCP. •Valid as Austrolebias camaquensis Volcan, Gonçalves & Lanés 2017. •Valid as Matilebias camaquensis (Volcan, Gonçalves & Lanés 2017) -- (Alonso et al. 2023:9 [ref. 40292]). Current status: Valid as Matilebias camaquensis (Volcan, Gonçalves & Lanés 2017). Rivulidae: Cynolebiinae. Distribution: South America: floodplain of the middle Rio Camaquã basin, Rio Grande do Sul, southeastern Brazil. Habitat: freshwater.