Mesopithecus is an extinct genus of Old World monkey belonging to the subfamily Colobinae that lived in Eurasia during the Late Miocene and Pliocene epochs, around 8.2-2.6 million years ago.

In zoology, a folivore is a herbivore that specializes in eating leaves. Mature leaves contain a high proportion of hard-to-digest cellulose, less energy than other types of foods, and often toxic com