Guenon /(?)/

Guenon

n.
  1. Any of several long-tailed arboreal African monkeys, of the genera Cercopithecus and Erythrocebus (formerly classified as Cercocebus), such as as the green monkey (Cercopithecus callitrichus) and grivet (Cercopithecus griseo-viridis). (Zool.)