A natural family including all the New World monkeys except marmosets and tamarins.

larger new world monkeys - capuchin - cebus, squirrel - saimiri, howler alouatta - woolly spider - brachteles arachnoides

The Cebidae form one of the four families of New World monkeys now recognised. It includes the marmosets, tamarins, capuchin monkeys and squirrel monkeys.