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- Simian
From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Simian
Simians
Temporal range: Middle Eocene-Holocene, 400 Ma
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Old & New World monkey faces.JPG
A catarrhine (common chimpanzee) and a platyrrhine (red-faced spider monkey)
Scientific classification e
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Primates
Suborder:Haplorhini
Infraorder:Simiiformes
Haeckel, 1866[1][2]
Parvorders
Catharrhini
Platyrrhini
sister: Tarsiiformes
Synonyms
Anthropoids
monkeys (cladistically incl. apes)
The simians (infraorder Simiiformes) or Anthropoids are the monkeys, incl. apes, cladistically including: the New World monkeys or platyrrhines, and the Catarrhine clade consisting of the Cercopithecidae and apes (including humans).
The simians are sister to the tarsiers, together forming the Haplorhines. The radiation occurred about 60 million years ago (during the Cenozoic era). 40 million years ago, simians from Afro-Arabia colonized South America, giving rise to the New World monkeys. The remaining simians (Catarrhines) split 25 million years ago into apes and Cercopithecidae.
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