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 Illiger 1811 Aotus Illiger 1811 , Prodr. Syst. Mamm. Avium: 71 . Type Species: Simia trivirgata Humboldt 1811 Synonyms: Nocthora F. Cuvier 1824 ; Nyctipithecus Spix 1823 . Species and subspecies: 8 species with 7 subspecies: Species Aotus azarae Humboldt 1811 Subspecies Aotus azarae subsp. azarae Humboldt 1811 Subspecies Aotus azarae subsp. boliviensis Elliot 1907 Subspecies Aotus azarae subsp. infulatus Kuhl 1820 Species Aotus hershkovitzi Ramirez-Cerquera 1983 Species Aotus lemurinus I. Geoffroy 1843 Subspecies Aotus lemurinus subsp. lemurinus I. Geoffroy 1843 Subspecies Aotus lemurinus subsp. brumbacki Hershkovitz 1983 Subspecies Aotus lemurinus subsp. griseimembra Elliot 1912 Subspecies Aotus lemurinus subsp. zonalis Goldman 1914 Species Aotus miconax Thomas 1927 Species Aotus nancymaae Hershkovitz 1983 Species Aotus nigriceps Dollman 1909 Species Aotus trivirgatus Humboldt 1811 Species Aotus vociferans Spix 1823 Discussion: Hershkovitz (1983) divided the species into two groups: Gray-necked and Red-necked.