👉 The term "cercopithecidae" refers to a group of extinct primates that lived in Africa during the late Cretaceous period around 65-62 million years ago. These creatures are known for their distinctive features, including large brains and long limbs. They were primarily herbivores but also had some ability to climb trees and walk on two legs. Cercopithecidae is a subfamily of the class Mammalia in the order Carniv