Pithecia irrorata Gray, 1842 . Ann. Mag. Nat. Hist., [ser. 1], 10:256.

TYPE LOCALITY: Brazil, Parâ, West bank of Rio Tapajôs, Parque Nacional de Amazônia .

DISTRIBUTION: South of the Amazon in SW Brazil; SW Peru; E Bolivia.

STATUS: CITES - Appendix II.

SYNONYMS: vanzolinii .

COMMENTS: Includes some specimens identified by Hershkovitz (1979) as P. hirsuta . May prove to be a subspecies of P. monachus (Hershkovitz, 1987d) .