Monkeys vs hominoidea

Cranial capacity.

Dental formula v-shaped with variation like 2123 2133 2132  vs Dental formula u-shaped with 2123.

U4 vs Y5 cusp lower third molar. 

Forward movement of occiptal condyle and foramen Magnum. 

Buchal pitch vs none. 

Tendency for erect posture.

Prehensile tail or tail

Slender build.

Locomotion. True brachiation and life suited for the trees. Verses ground based living

Monkeys have large groups.

multiple offspring at a time versus single offspring.

Shorter vs longer maturity time for the child.

Separated from monkeys 25 million years ago

Forward placed eyes and completely e surrounded by bony rim

Reduced prognathism. Dry nose and reduced olfaction

Nails.

Digits mor controllable and power grip.

Diurnal

Pinna immovable

Diet varies.