Arch 270

  1. Hominoids
    • -no tail
    • -DF 2123/2123
    • -short trunk with stable lumbar spine
    • -shoulder/trunk adapted for brachiation
  2. Hominoid Molars
    • -mandibular molars are distinct
    • -five cusps is common (hypoconulid is variable/not present in other primates)
    • -Y5 pattern
  3. Deciduous Dental Formula
    • -baby teeth
    • -only two molars and no premolars
    • -DF 2102/2102
  4. Simian Shelf
    • -thickening along the inside of the mandible to reinforce the symphysis of apes and monkeys
    • -(humans have a chin)
  5. Hylobatiade
    • -family of Hominoids
    • -lesser apes (gibbons and siamangs)
    • -monogamous pairs
    • -siamangs are bigger than gibbons
    • -DF 2123/2123
    • -habitual brachiators
  6. Pongidae
    • -family of hominoids
    • -great apes (chimps, bonobos, gorillas, orangutans)
    • -mostly quadrupedal knuckle walkers
    • -DF 2123/2123
    • -orangs are solitary others have varying social units
    • -tool use
Author
jaz584
ID
240521
Card Set
Arch 270
Description
Hominoids
Updated