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The moist naked area surrounding the nostrils in most mammals; absent in most primates.
A vertical cleft in the center of the upper lip.
Claws found on the second toes (sometimes others too) of prosimians that function in grooming.
A structure formed by the front teeth of the lower jaw projecting forward almost horizontally; found in prosimions
dental comb (procumbant incisors)
the two suborders of primate...
- suborder Prosimii
- suborder Anthropoidea
the two infraorders of suborder Prosimii...
- inrfaorder Lemuriformes
- infraorder Tarsiiformes
most Lemuriformes are
because they posess a rhinarium and philtrum, Lemuriformes are...
on what toe is the lemuriform grooming claw?
the five families of prosimians of Madagascar...
where is Madagascar?
400k off the southeast coast of Africa
eating both meat and vegetable food
Active during daylight hours
Marking territory by urinating or defecating, or by rubbing scent glands against trees or other objects.
small lemurs are solitary and nocturnal while larger lemurs...
are diurnal and live in large social units.
lemurs do not have well developed... but the have a keen...
- stereoscopic vision
- sense of smell
where are lemur scent glands?
on his forearm
the names of the families of sportive lemurs and dwarf lemurs...
...are they nocturnal of diunal?
what is the smallest living primate?
...his family name?
- pygmy mouse lemur
three animals in the family Indriidae...
the largest of the Madagascar prosimians...
...noctrunal or diurnal?
single species in the family Daubentoniidae...
on what taxonomic level is Lorisiodae?
two families within superfamily Lorisoidea...
- family Lorisidae
- family Galagidae
family Galagidae includes bush babies or...
Primates, such as monkeys, apes, and humans, that lack a rhinarium and possess a free upper lip.
kind of nose where the nostril os surrounded by dry, hairy skin...
2 trarsier traits which show that they are intrmediate between prosimians and anthropoids...
...and one unique tarsier trait...
- grooming claws
- haplorine nose
- fused tibia and fibula
how many grooming claws do tarsiers have on each foot?
what taxanomic level is Tarsiiformes?
infraorder (beneath suborder Prosimii)
infraorder Tarsiformes contains one family called...
what is the Tarsiformes method of locomation?
VCL (vertical climbing and leaping)
Trasiers are named for their elongalted...
tarsals (ankle bones)
why can tarsiers rotate their heads 180 degrees?
because their eyes have become so large that they cannot be moved by the eye muscles which have become degenerate.
Any member of the superfamilies Ceboidea and Cercopithecoidea
Nose in which nostrils open sideways and are usually seperated by a broad nasal septum; characteristic of New World monkeys.
A tail found in some New World monkeys that has the ability to grasp
How long were the predescors of old world monkeys isolated in the New World?
over 30 million years
OWM and OWM have distinct characteristics built on the same principal anatomy. This is an expmale of...
NWM belong to what infraorder?
...to what superfamily?
- infraorder Platyrrhini
- superfamily Ceboidea
suborder Anthropoidea divides into what 2 infraorders?
- infraorder Platyrrhini
- infraorder Catarrhini
the two superfamily under infraorder Catarrhini...
- superfamily Cercopithecoidea
- superfamily Hominoidea
Tarsiers are omnivorous or carnivorous?
carnivorous! (insects and lizards)
NWMs have how many premolars?
do NWM have an opposable thumb?
no. (grasping, but not opposable)
the two families under superfamily Ceboidea?
- family Cebidae
- family Callitrichidae
the family Callitrichidae includes what two kinds of animals?
the family Cebidae is divided into four subfamilies...
- subfamily Cebinae (squirrel/capuchin)
- subfamily Aotinae (titi/night)
- subfamily Pithecinae (saki/uakaris)
- subfamily Atelinae (howler/spider)
The 8 basic levels of taxonomic hirearchy...
in the superfamily Ceboidea (NWM) which family has a prehansile tail and nails on all digits?
family Cebidea (cebids, not the Callitrichidae)