Marmosets
Marmosets. Titi is the common name for several species of American primates (catarrhines). The catarrhines (Catarrhini, the Greek kata, down and rhinos, nose) are Simiiiformes parvórden of which are characterized by the more or less straight muzzle and nostrils directed forward. It is often called Old World monkeys, as opposed to platyrrhines or New World monkeys.
