Lecture 10 Flashcards
Strepsirrhini
Inward-Turning Nose.
Wet and Hairless (Rhinarium). Split (Philtrum).
Whiskers present (Vibrissae).
Smaller Brain Size
Faster Life History
Tooth Comb
Has 2 Infraorders (lemuriformes and lorisiformes)
Africa and Asia
Haplorrhini
Single/Simple Nose.
Dry and Hairless (Rhinarium). Not split (Philtrum).
Whiskers absent (Vibrissae).
Larger brain
Fused Frontal Bone
Reduced Snout
Postorbital Wall
Platyrrhini
Flat Nose
Central and South American Forests
Ancestral Dental Formula (2,1,3,3)
Quadrupedal Walking or Suspensory Climbing
Frugivorous
Arboreal
Strong Female Social Bonds
Catarrhini
Down Nose
Asia and Africa
Large Body Size
More Diverse Habitats
Dental Formula (2,1,2,3)
Bony Ear Tube
Anthropoid Features
Relatively larger brain
Full Orbital Convergence
Fused Mandible
Lemurs
Strepsirrhines
Quadrupedal Walking
Vertical Clinging and Leaping
Madagascar
Adaptive Radiation
Many extinct giant species
Lorises
Africa and Asia
Very Slow Movement
Small
Arboreal
Nocturnal
Galagos (bushbabies)
Very fast movement
Small
Arboreal
Nocturnal
Colobines
Catarrhines
Folivores
Foregut fermenters
Asia and Africa
Cercopithecines
Catarrhines
Long digestive transit time
Cheek pouches
Macaques
Cercopithecines
Catarrhines
Asia and North Africa
Frugivorous
23 species
Terrestrial and Arboreal
Strong Female Bonds
Often Commensal
Baboons
Sub-Saharan Africa
Omnivorous
6 species
Terrestrial
Strong female social bonds
Model for human evolution
Hominoids (apes)
Catarrhines
Large brains and bodies
Tail-less
Suspensory, orthograde climbers
Unspecialized molars
360 degree rotation in shoulders
Hylobatids (Gibbons and Siamangs)
Hominoids
Catarrhines
South East Asia
Brachiators
Pair Bonding
Pongo (Orangutan)
Hominoids
Catarrhines
Asia
Clambering
Frugivores
Solitary
Slowest life history
Gorilla
Hominoids
Catarrhines
Africa
Terrestrial knuckle-walking
Largest ape
1 male, multi-female groups
Folivores (w/ some fruit)
Pan Troglodytes (Chimpanzees)
Hominoids
Catarrhines
Africa
Terrestrial Knuckle Walking
Ripe fruit specialists
Males intensely social
Model for human evolution
Pan Paniscus (Bonobos)
Hominoids
Catarrhines
Africa
Terrestrial knuckle-walking
More diverse diet than chimps
Females intensely social
Model for human evolution
