ANTHR101 Chapter Notes - Chapter 5: Stereopsis, Adapidae, Apidium
SchoolUniversity of Alberta
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Group Importance Physical, Behaviour
whether or not it
is a primate
Some primate, some non-primate features
of adapids and
No stereoscopic vision, nails (claws), grasping hands
Diurnal. Leaf and fruit. Canine sexual dimorphism, 4
premolars characteristic early mammals.
Stereoscopic vision, reduced muzzle, powerful hind
Large yes, long tarsal bones, small. 2 incisors, 3
premolars. Large occipital and temporal lobes
Nocturnal (?), eat insects, fruit.
Catopithecus Emergence of
Detention suggests fruit, insects.
Agile arboreal quadruped
between old and
3 premolars each quarter, bony partition between
eye sockets, broad incisors, projecting canines, low
rounded cusps on molars. Prosimian-like premolars
and small brains. Small
Diurnal. Ate fruit and seeds.
jaws, ~skull ape-
like, rest skeleton
Bony partition between eye sockets, broad incisors,
projecting canines, low rounded cusps on molars.
Occipital large, temporal small. Sexual dimorphism,
skull changed as aged. Long muzzle, small brain.
Quadrupedal, arboreal, ate mostly fruit
Large, no tail. Arms permitted Brachiation. Arboreal
quadruped. Fruit, larger species ate leaves
Teeth and face
more like modern
Pierolapithecus: Brachiation, arboreal. Short
fingers (=modern monkeys)
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