Callicebus cinerascens (Spix, 1823) . Sim. Vespert. Brasil., p. 20.

TYPE LOCALITY: "Rio Putumayo or Iça, Peruvian border of Amazonas, Brazil "; Hershkovitz (1990b) doubted its accuracy .

DISTRIBUTION: Rio Madeira basin (SW Brazil).

STATUS: CITES - Appendix II.