The primates of Colombia include 41 extant species in 13 genera and five families. Additionally, 12 fossil species in 10 genera and five families have been identified in Colombia, mainly at the La Venta Lagerstätte of the Honda Group, mostly from the so-called "Monkey Unit", "Monkey Beds" or "Monkey Locality", the richest site for fossil primates in South America. As of 2013, of the 30 fossil primate species found in South America dating to the Late Oligocene (26 Ma) to the Pleistocene, twelve are described from the Honda Group. The genera Branisella, Caipora, , Chilecebus, Dolichocebus, Homunculus, Killikaike, , , Protopithecus, , and Tremacebus have been discovered in Argentina, Bolivia, Brazil, Chile, Ecuador and Peru and are not known from Colombia. Additionally, Antillothrix, Insulac