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Non-human primates

Primates
Temporal range: PaleocenePresent, 55–0 Ma
Aye-aye Ring-tailed lemur Capuchin monkey Spider monkey Gibbon Tarsier Red slender loris Lion tamarin Hamadryas baboon Common chimpanzeePrimates - some families.jpg
About this image
Some primate families, from top to bottom: Daubentoniidae, Tarsiidae, Lemuridae, Lorisidae, Cebidae, Callitrichidae, Atelidae, Cercopithecidae, Hylobatidae, Hominidae.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Mirorder: Primatomorpha
Order: Primates
Linnaeus, 1758
Families
Range of Non-human Primates.png
Range of the nonhuman primates (green)

A primate (Listeni/ˈprmt/ PRY-mayt) is a mammal of the order Primates (Latin: "prime, first rank"). In taxonomy, primates include two distinct lineages, strepsirrhines and haplorhines. Primates arose from ancestors that lived in the trees of tropical forests; many primate characteristics represent adaptations to life in this challenging three-dimensional environment. Most primate species remain at least partly arboreal.

With the exception of humans, who inhabit every continent except for Antarctica, most primates live in tropical or subtropical regions of the Americas, Africa and Asia. They range in size from Madame Berthe's mouse lemur, which weighs only 30 g (1 oz), to the eastern gorilla, weighing over 200 kg (440 lb); that is, without taking into account the weight of particular human individuals, reaching up to 635 kg (1,400 lb). Based on fossil evidence, the earliest known true primates, represented by the genus Teilhardina, date to 55.8 million years old. An early close primate relative known from abundant remains is the Late Paleocene Plesiadapis, c. 55–58 million years old.Molecular clock studies suggest that the primate branch may be even older, originating near the Cretaceous–Paleogene boundary or around 63–74 mya.


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Wikipedia

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