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 Pithecia monachus subsp. monachus E. Geoffroy 1812 Pithecia monachus subsp. monachus E. Geoffroy 1812 , Rec. Observ. Zool., 1: 359 . Type Locality: Brazil , left bank of Rio Solimões between Tabatinga and Rio Tocantins . Synonyms: Pithecia monachus subsp. guapo Schinz 1844 ; Pithecia monachus subsp. hirsute Spix 1823 ; Pithecia monachus subsp. inusta Spix 1823 ; Pithecia monachus subsp. napensis Lönnberg 1938 .