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Temporal range: Palaeocene - Recent
Olive Baboon, an Old World monkey
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Eutheria
Superorder: Euarchontoglires
Order: Primates
Linnaeus, 1758
Ring-tailed lemur, a strepsirrhine primate

Primates are a group of mammals that contains all lemurs, monkeys, and apes including humans.

There are about 400 species of primates. All primates are similar to humans in some ways, but language is an important difference. Primates have hands with five fingers, fingernails (most other animals have claws). Primates are split into two groups: Strepsirrhini and Haplorrhini. Haplorrhini includes monkeys, tarsiers, and apes, including humans. Strepsirrhini includes lemurs, lorises, galagos (also called bush babies) and the Aye-Aye.

Primates are one of the few eutherian groups which re-evolved full colour vision.











 (lemuriformes and lorisiformes)



 Simiiformes (platyrrhini and catarrhini)

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