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42 Terms
Purple
Post orbital bar
Blue
Convergent eyes
Green
Short snout
Red
Rounded brain case
Cranial traits of primates
Rounded brain case, convergent eyes, post orbital bar, shorter snout
Pink
Grooming claw
Post cranial key traits
Five digits(pentadactyly), a functioning clavicle, grasping hands and feet,nails and tactile pads(seen on distal finger tuft)
Old world monkey molar type
Biphodont molars
What type is this
Biphodont-In old world monkeys
Y 5 molars
Ancestral type of apes
Biphodont diet
Plant based
Y 5 diet
Fruit based or generalist
Type
Y 5
2133
Dentition formula of tarsiers, most Strepsirhines and new world monkeys
2132
Dental form marmosets and Tamarain
2123
Humans apes and old world monkeys
2133
2132
2123
Strepsirhines have postorbital
Bar
Cattarhines have post orbital
Plates
Arrow points to
Postorbital plate
Arrow points to
Post orbital bar
Type
Cattarhine
Type
Strepsirhine
Red
Metopic suture
Yellow orange
Postorbital bar
Blue
Longer snout Strepsirhine
Orange
Post orbital bars
Nuchal crest
What is a nuchal crest?
A cresting on the back of the head lateral
Nuchal crest is an example of a trait that is ____________
Sexuallly dimorphism
Saggital crest is
sexually dimorphic
Pink
Saggital crest
Vertical clinging and leaping
Longer legs than arms, long lower
backs, and long fingers and toes and
elongated ankle bones to help them
push off when leaping.
Two examples of quadrupedal primates. Left is a typical arboreal quadruped with shorter
arms and legs, longer fingers and toes, and a long tail. Right is a terrestrial quadruped
with relatively long arms and legs, shorter fingers and toes, and a short tail
Arboreal or terrestrial quadrepedalism
Brachiator
The glenoid fossa of the scapula is oriented upwards.
Thumbs are small
The phalangesare long and hook-like.
The arms are much longer and more powerful than the legs
What type of locomotion?
Brachiator
What type of locomotion
Vertical clinging and leaping
What type of locomotion
Terrestrial or arboreal quadrupedalism
Pink
Prehensile tail
Note 
Flashcards (27)