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 nancymaae Hershkovitz 1983 Aotus nancymaae Hershkovitz 1983 , Am. J. Primatol., 4: 223 . Type Locality: Peru , Loreto , right bank of Rio Samiria, above Estacion Pithecia , 130 m . Vernacular Names: Nancy Ma's Night Monkey . Distribution: Loreto Dept. ( Peru ) to Rio Jandiatuba, south of Rio Solimões ( Brazil ); and enclave between Rios Tigre and Pastaza ( Peru ). Conservation: CITES – Appendix II; IUCN – Lower Risk (lc). Discussion: Red-necked species group. The form of the name is changed in accordance with the International Code of Zoological Nomenclature, Art. 31.1.2 ( International Commission on Zoological Nomenclature, 1999 ).