ivinhemensis, Melanorivulus Volcan [M. V.], Severo-Neto [F.] & Lanés [L. E. K.] 2018:268, Figs. 5-6 [Zoosystematics and Evolution v. 94 (no. 2); ref. 35895] First order stream of Rio Ivinhema, municipality of Nova Andradina, Mato Grosso do Sul state, Brazil, 22°11'53"S, 53°20'12"W, elevation 300 meters. Holotype: MCP 53147. Paratypes: MCP, ZUFMS. •Valid as Melanorivulus ivinhemensis Volcan, Severo-Neto & Lanés 2018. Current status: Valid as Melanorivulus ivinhemensis Volcan, Severo-Neto & Lanés 2018. Rivulidae: Rivulinae. Distribution: South America: Rio Ivinhema drainage, Rio Paraná basin, Mato Grosso do Sul state, Brazil. Habitat: freshwater.