ANHB1101 - Primates

external features of suborder: prosimmi

• wet nose & split upper lip (high reliance on smell)

• grooming claw

• tapetum lucidum

skull features of suborder: prosimmi

• post-orbital bar only

• dental comb

• dental formula: 2133/2133

features of lorisoidea

• nocturnal

• arboreal

• solitary

• found in africa & asia

features of lemuroidea

• nocturnal or diurnal

• arboreal or terrestrial

• solitary or social groups

• found in madagascar

external features of suborder: tarsioidea

• nocturnal

• eye larger than brain

• continuous hairy upper lip

• dry nose

• grooming claws on digit 2 and 3

• elongated tarsal bones on foot

skull features of suborder: tarsioidea

• post-orbital bar and partial plate

• 3 premolars

• dental formula 2133/1133

external features of anthropoidea

• diurnal

• continuous hairy upper lip

• dry nose

• nails on all digits

skull features of anthropoidea

• post orbital bar and plate

• 2 or 3 premolars

features of ceboidea (new world monkey)

• flat nose

• nostrils widely spaced apart

• prehensile tail

• arboreal & diurnal 

• Dental formula 2133, 1133

features of cercopithecoidea (old world monkeys)

• nostrils close together

• non-prehensile tail

• ischial callosities

• bilophodont molars

• dental: 2123/2123

features of hominoidea

• no tail

• nostrils close together

• dental formula 2123/2123

• limb arrangement shows brachiation

features of hylobatidae

• ischial callosities

• brachiation main method of locomotion

• dense body hair

• found in S.E. Asia

features of pongidae

• fist walking

• sparse body hair

• found in borneo and sumatra

features of hominidae

• knuckle walking or bipedal

• body hair sparse

• found/originated in Africa

what is the wallace line

a geographical boundary separating Asian animals from Australian animals