Leontopithecus chrysopygus (Mikan, 1823) . Delectus florae et faunae Brasiliensis, Vienna, 3, plate.

TYPE LOCALITY: Brazil, Ipanema, Sâo Paulo .

DISTRIBUTION: Brazil, Sâo Paulo region.

STATUS: CITES - Appendix I; U.S. ESA and IUCN - Endangered.

SYNONYMS: ater .

COMMENTS: Recognized as a full species by Rosenberger and Coimbra-Filho (1984).