Characidium occidentale Buckup & Reis (1997)

Paratypes: 3 lots, 8 specimens; MCN 5653, 6, 19.4–26.8 mm SL, barragem Saturnino de Brito, rio Ibicuí Mirim, rio Uruguay drainage, Santa Maria, Rio Grande do Sul, Brazil, 12–13 July 1982, S.D. Hahn & C.S. Marros. MCN 6796, 1, 45.5 mm SL, MCN 6801, 1, 48.2 mm SL, barragem Saturnino de Brito, rio Ibicuí Mirim, rio Uruguay drainage, Santa Maria, Rio Grande do Sul, Brazil, 12–13 July 1982, S.D. Hahn (Fig. 1).