Gymnotocinclus anosteos Carvalho, Lehmann & Reis (2008)

Holotype: MCN 18624, 44.3 mm SL, male, ribeirão das Cobras, near to road GO-239, tributary to rio Tocantinzinho, rio Tocantins basin, Alto Paraíso de Goiás, Goiás, Brazil, 14°09’43”S 47°37’57”W, 9 November 1996, W.R. Koch & K.M. Grosser (Fig. 19).

Paratypes: 4 lots, 26 specimens; MCN 13154, 7, 16.3–34.3 mm SL, MCN 13155, 6, 19.0– 31.6 mm SL, same locality as holotype, 4 August 1996, W.R. Koch, P.C.C. Milani & K.M. Grosser . MCN 13538, 1, 28.1 mm SL, creek on road GO-239, tributary to rio Tocantinzinho, rio Tocantins basin, Alto Paraíso de Goiás, Goiás, Brazil, 14°08’22”S 47°39’45”W, 9 November 1996, W.R. Koch & K.M. Grosser . MCN 13543, 12, 25.8–39.3 mm SL, collected with holotype.