Brachyteles arachnoides (E. Geoffroy 1806)
[Ateles] arachnoides E. Geoffroy 1806, Ann. Mus. Hist. Nat. Paris, 7: 271.
Type Locality: Brazil, Rio de Janeiro.
Vernacular Names: Southern Muriqui.
Synonyms: Brachyteles eriodes Brehm 1876; Brachyteles macrotarsus Spix 1823; Brachyteles tuberifer (I. Geoffroy 1829) .
Distribution: SE Brazil: states of Rio de Janeiro and São Paulo.
Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Critically Endangered.