They are divided into 6 groups:
* Hominidae (Great apes)
* Hylobatidae (Lesser apes)
* Cercopithecoidea (Old world monkeys)
* Platyrrhini (New world monkeys)
* Tarsiiformes (Tarsiers)
* Strepsirrhini (Lemurs, Bushbabies, Lorises)
They have a reduced snout
They have 5 digits on each hand
They have color vision
Hominidae
Platyrrhini
Hylobatidae
Tarsiiformes
Cercopithecoidea
Strepsirrhini