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 Atelidae Gray 1825 Atelidae Gray 1825 , Ann. Philos., n. s., 10: 338 . Genera: 5 genera with 23 species in 2 subfamilies: Subfamily Alouattinae Trouessart 1897 Genus Alouatta Lacépède 1799 (9 species with 7 subspecies) Subfamily Atelinae Gray 1825 Genus Ateles E. Geoffroy 1806 (7 species with 7 subspecies) Genus Brachyteles Spix 1823 (2 species) Genus Lagothrix E. Geoffroy 1812 (4 species with 2 subspecies) Genus Oreonax Thomas 1927 (1 species)