Saguinus fuscicollis (Spix, 1823) . Sim. Vespert. Brasil., p. 27.

TYPE LOCALITY: Brazil, between Solimôes River and Iça River, Säo Paulo de Olivença .

DISTRIBUTION: N and W Brazil, N Bolivia, E Peru, E Ecuador, SW Colombia.

STATUS: CITES - Appendix II.

SYNONYMS: acrensis, apiculatus, avilapiresi, bluntschlii, crandalli, cruzlimai, devillei, elegans, flavifrons, fuscus, hololeucus, illigeri, imberbis, lagonotus, leonina, leucogenys, melanoleucus, micans, mounseyi, nigrifrons, pacator, pebilis, primitivus, purillus, weddelli .

COMMENTS: See Hershkovitz (1977:640-642). Coimbra-Filho (1990) regarded melanoleucus as a distinct species, with subspecies acrensis and crandalli.