Aotus vociferans Spix 1823
Aotus vociferans Spix 1823, Sim. Vespert. Brasil.: 25.
Type Locality: Brazil, upper Marañon, Tabatinga.
Vernacular Names: Spix's Night Monkey.
Synonyms: Aotus gularis Dollman 1909; Aotus microdon Dollman 1909; Aotus oseryi (I. Geoffroy and Deville 1848); Aotus rufipes (Sclater 1872); Aotus spixi (Pucheran 1857) .
Distribution: Colombia, east of Cordillera Oriental, west of Rio Negro, south to Brazil (north of Amazon-Solimões Rivers).
Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).
Discussion: Gray-necked species group.