primates

primates

•Opposable thumbs

directed eyes

with binocular vision

•Largeand convoluted

brains

•Complexsocial behavior

prosimian

•Earliest primate arose m65MYA when

dinosaurs becameextinct

 Suborder Prosimii

•Maybe polyphyletic, with thetarsiersbeing a separategroup

rain forests in Madagascar, Africa and SoutheastAsia

•Skull haslarge orbits, reduced brain case, elongatedsnout,andwell

developed olfactory and auditory regions

Suborder Strepsirrhini

(non-tarsier prosimia, ring tailed lemur

Suborder Haplorhini

(tarsiers andanthropoids), ph tarsier

SuborderAnthropoidea

•Monkeysandapes(including humans)

tobody size

•Relymoreonsightandlessonsenseofsmell asinprosimians

Infraorder Simiformes

  (anthropoids)

Parvorder Platyrhini

(NewWorld Monkeys)

•Central andSouth America

Tails are prehensile

nostrils face sideways and are wide apart

All are arboreal

ex. black headed spider monkey

Parvorder Catarrhini

(0ld World Monkeys and Apes) 

•AfricaandAsia

•Tailsare NOT prehensile

•Nostrils face downwards

•Arboreal and ground-dwelling

ex. baboon

monkeys

with tails

apes

wo tails

have fore limbs longer than their hind limbs(excepthumans)

Superfamily Hominoidea

New classification of apes

Hylobatidae

-The Lesser Apes

are smaller than the great apes,

have lower sexual dimorphism,

do not form nests

Represented by the gibbons

Hominidae

•- The Great Apes

 Relatively larger apes with males generally larger than

thefemales

Orangutan (Pongo)

Chimpanzee (Pan)

Man (Homo)

Gorilla (Gorilla)

4 genera of hominidae

brachiation

arm swinging

-upright posture

-bipedal locomotion

-larger brains

-language capabilities

-symbolic thought

manufacture and use of complex tools

-shortened jaw

-shorter digestive tract

Characters,that distinguish humansfromotherapes