Order Primates Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 111 184 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Aotus trivirgatus Humboldt 1811 Aotus trivirgatus Humboldt 1811 , Rec. Observ. Zool., 1: 306 . Type Locality: Venezuela , Duida Range, Rio Casiquiare. Vernacular Names: Three-striped Night Monkey . Synonyms: Aotus commersonii (Vigors and Horsfield 1829) ; Aotus duruculi ( Lesson 1840 ) ; Aotus felinus (Spix 1823) ; Aotus humboldti Illiger in Humboldt 1812 ; Aotus rufus ( Lesson 1840 ) . Distribution: Venezuela , south of Rio Orinoco, south to Brazil north of Rios Negro and Amazon. Conservation: CITES – Appendix II; IUCN – Lower Risk (lc). Discussion: Gray-necked species group. Long the only species recognized in the genus; divided into 9 species by Hershkovitz (1983) , revised further by Ford (1994) and Groves (2001 c ) .