Atelidae- Spider, Wooly and Howler Monkeys
Atelidae is a family of New World primates. The family includes some of the largest species of primates in the Americas. Atelids are characterized by having a prehensile tail. The tail acts as a fifth hand and is strong enough to support all the weight of the monkey. The dental formula for Atelidae is 2.1.3.3/2.1.3.3