of or relating to primates of a group that comprises the New World monkeys, marmosets, and tamarins. They are distinguished by having nostrils that are far apart and directed forwards or sideways, and typically have a prehensile tail (包括西半球的猴、绒猴和绢毛猴等灵长类群)阔鼻的。 比较 catarrhine
noun
a platyrrhine primate 阔鼻灵长动物
Infraorder Platyrrhini, order Primates: families Cebidae and Callitrichidae 阔鼻下目,灵长目:悬猴科和狨科