Leontopithecus chrysopygus (Mikan 1823)
[Jacchus] chrysopygus Mikan 1823, Delectus florae et faunae Brasiliensis, Vienna, Vol. 3: plate.
Type Locality: Brazil, Ipanema, São Paulo.
Vernacular Names: Black Lion Tamarin.
Synonyms: Leontopithecus ater (Lesson 1840) .
Distribution: Brazil, São Paulo region.
Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Critically Endangered.
Discussion: Recognized as a full species by Rosenberger and Coimbra-Filho (1984).