Callithrix pygmaea (Spix, 1823) . Sim. Vespert. Brasil., p. 32.

TYPE LOCALITY: Brazil, Amazonas, Solimöes River, Tabatinga .

DISTRIBUTION: N and W Brazil, N Peru, Ecuador.

STATUS: CITES - Appendix II.

SYNONYMS: nigra, niveiventris .

COMMENTS: Revised by Hershkovitz (1977:462-464), placed in Callithrix by Groves (1989).