post orbital bar/closure

large brain relative to body size

generalized dentition

heterodont dentition

eyes forward

Lemurs and Lorises

postorbital bar

brainsize = face size

unfused frontal bone and mandible

dental comb

has a tail

tarsier, catarrhine, platyrrhine

orbital closure

lrg brain size to body size

fused frontal bone and mandible

no dental comb

may have a tail

orbital closure

HUGE eyes

unfused mandible at midline

dental formula: 2133/1133

cercopithedoid and hominoids

2123

boney tube

nostrils down

may have a tail

not prehensile

new world monkey

2133

boney ring

nostirls outward

has a tail

maybe prehensile

old world monkey

bilophodont

long snout

2123

tail present

Y5 molar culsp

flat nsout

no tail

2123

upper canine

lower canine diastima

unicusp first premolar

tribosphenic: insectivore

lopohodont/selenodont: herbivore

bilophodont/Y-5: omnivore

1st primates?

Purgatorius

Plesiadapiformes

adapids (lemur)

-suborbital bar

omomyids (tarsier)

-suborbital closure

Oligocene Radiation and species

anthropoids 

apidium (cercopithecoids)

-2123 dental formula

parapithecus (platyrrhine)

- 3 premolar, 3 molars

Propliopithecus and Aegyptopithecus (hominoid)

boney ring, sml exterrnal auditory meatus

Proconsul (Pan troglodytes)

-2123, temporal line, mandibular right angle

Sivapithacus (Pan pygmaeus)

-2123, 5-Y, mandibular right angle