Distribution. Wide ranging in the upper Amazon Basin of S Venezuela (Federal Terrritory of Amazonas), S & E Colombia (Colombian Amazon region, N of the rios Amazonas and Ica-Putumayo, and patchily occurring in the E lowlands W of the Orinoco, N as far as the lower Rio Meta), and NW Brazil (N of the Solimoes, W from the rios Negro and Branco, as far N as the Rio Uraricoera); it would seem that it is absent in the Colombian Amazon Basin from the middle and upper rios Meta and Vichada and from the N bank of the upper Rio Guaviare. in Cebidae

Distribution. Wide ranging in the upper Amazon Basin of S Venezuela (Federal Terrritory of Amazonas), S & E Colombia (Colombian Amazon region, N of the rios Amazonas and Ica-Putumayo, and patchily occurring in the E lowlands W of the Orinoco, N as far as the lower Rio Meta), and NW Brazil (N of the Solimoes, W from the rios Negro and Branco, as far N as the Rio Uraricoera); it would seem that it is absent in the Colombian Amazon Basin from the middle and upper rios Meta and Vichada and from the N bank of the upper Rio Guaviare.