R.atatulus (Hermann, 1804)
R.cataractae (Valenciennes, 1842)
R.cobitis (Girard, 1856)
R.deaconi Miller, 1984
R.evermanni Snyder, 1908
R.falcatus (Eigenmann & Eigenmann, 1893)
R.obtusus Agassiz, 1854
R.osculus (Cope, 1872)
R.umatilla (Gilbert & Evermann, 1894)