Callicebus torquatus (Hoffmannsegg, 1807) . Magas. Ges. Nativf. Fr., 10:86.
TYPE LOCALITY: Brazil, Codajâs, north bank of Rio Solimôes .
DISTRIBUTION: S Columbia, Venezuela to Upper Amazon, 7°S, east to Rio Negro and Rio Purus.
STATUS: CITES - Appendix II.
SYNONYMS: amictus, duida, ignitus, lucifer, lugens, medemi, purinus, regulus, vidua .