Callicebus (Torquatus) regulus Thomas 1927

Callicebus (Torquatus) regulus Thomas 1927, Ann. Mag. Nat. Hist., ser. 9, 19: 510.

Type Locality: Brazil, state of Amazonas, Fonte Boa, right bank of upper Rio Solimoes.

Vernacular Names: Red-headed Titi.

Distribution: Brazil, between Rios Javari/Solimoes and Rio Jurua.

Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).

Discussion: Subgenus Torquatus . Separated as a species from C. torquatus by van Roosmalen et al. (2002).