wide. Classification The following's the listing of the various platyrrhine families, and their placement in the Order Primates: ORDER PRIMATES Suborder Strepsirrhini: lemurs, lorises, etc. Suborder Haplorrhini: tarsiers, monkeys and apes Infraorder Tarsiiformes Family Tarsiidae: tarsiers Infraorder Simiiformes Parvorder Platyrrhini: New World monkeys Family Callitrichidae: marmosets and tamarins Family Cebidae: capuchins and squirrel monkeys Family Aotidae: night or owl monkeys (dour… (More on Platyrrhines)