Answer
A single skull can tell a great deal about the geological/evolutionary age and taxonomic postion of an primate:
The following features give valuable information:
1. The size of the cranium of a species, indicates the size of the brain, and gives a general idea of the intelligence of the group. However, cranial size, brain size and intelligence varies within species.
2. The location of the exit of the spinal cord (CNS) from the skull is an indication of the degree to which the animal was complete bipedal in locomotion and upright in posture.
Work Step by Step
3. Positions of eye sockets can tell whether the animal had forward binocular vision
4. Size and shape of jaws can tell something about the diet or food sources of the animal group..