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 Saimiri boliviensis I. Geoffroy and Blainville 1834 Saimiri boliviensis I. Geoffroy and Blainville 1834 , Nouv. Ann. Mus. Hist. Nat. Paris, 3: 89 . Type Locality: Bolivia , Santa Cruz , Rio San Miguel, Guarayos Mission. Vernacular Names: Black-capped Squirrel Monkey . Subspecies: : Subspecies Saimiri boliviensis subsp. boliviensis I. Geoffroy and Blainville 1834 Subspecies Saimiri boliviensis subsp. peruviensis Hershkovitz 1984 Distribution: Upper Amazon in Peru ; SW Brazil ; Bolivia . Conservation: CITES – Appendix II; IUCN – Least Concern. Discussion: S. boliviensis species group. Originally separated from S. sciureus by Hershkovitz (1984) ; not recognized as a species by Thorington (1985) or Costello et al. (1993) , but belongs to a different species group according to Groves (2001 c ) .