Brachyteles arachnoids

Cebid monkeys include capuchins (Cebus), night monkeys or douroucoulis (Aotus), titis (Callicebus), squirrel monkeys (Saimiri), sakis (Pithecia), bearded sakis (Chiropotes), uakaris (Cacajao), howler monkeys (Alouatta), spider monkeys Ateles), the woolly spider monkey (Brachyteles arachnoides), and woolly monkeys (Lagothrix). 

In coastal parts of Brazil, the spider monkey s territory is taken over by the woolly spider monkey or muriqui Brachyteles arachnoides). The woolly spider monkey is the heaviest monkey in Brazil, weighing 35 lb (16 kg) it has the chunky body and thick fur of the woolly monkey but lacks a thumb. It is lighter brown in color than most of its relatives. 

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