Any South American monkey (platyrrhine) species in either of two families: marmosets (Callitrichidae) or South American monkeys other than marmosets (Cebidae), including capuchins and spider monkeys. 南美洲猴类(阔鼻猴〔platyrrhine〕)的统称,包括狨科和捲尾猴科(如僧帽猴和蜘蛛猴)。
The Cebidae are one of the five families of New World monkeys now recognised. It includes the capuchin monkeys and squirrel monkeys. These species are found throughout tropical and subtropical South and Central America.