Saguinus tripartitus (Milne-Edwards, 1878) . Arch. Mus. Hist. Nat. Paris, (2)1:161.

TYPE LOCALITY: Equador, Rio Napo .

DISTRIBUTION: East of Rio Curaray, Brazil-Colombia border; sympatric with S. fuscicollis around Curaray-Napo Confluence.

STATUS: CITES - Appendix II.

COMMENTS: Given specific rank by Thorington (1988) on the evidence of marginal sympatry with S. fuscicollis .