Lab 10

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lndsyfree
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273374
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Lab 10
Updated:
2014-05-05 23:11:38
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Lab 10 material
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  1. Perissodactyla
    • Order within the Infraclass Eutheria
    • Tapirs, rhinos, horses
    • 1. Femur w/ 3rd trochanter
  2. Equidae
    • Family within the Order Parissodactyla
    • Horses, assed, zebras
    • 1. Orbit enclosed by postorbital bar
    • 2. Nasal long and narrow
    • 3. selenolophodont teeth
    • 4. Bulla small
  3. Tapiridae
    • Family within the Order Perissodactyla
    • Tapirs
    • 1. Nasal opening of skull very large and recessed
    • 2. Nasal short, triangular, very high
    • 3. Teeth look like wedges
  4. Rhinocerotidae
    • Family within the Order Perissodactyla
    • Rhino
    • 1. Head concave dorsally
    • 2. occipital crest well-developed
    • 3. Nasal large and heavy for support of horn
  5. Artiodactyla
    • Order within the Infraclass Eutheria
    • Pigs, peccaries, hippos, camels, giraffes, deer, goats, sheep
    • 1. astralagus w/ pulley-like surface above and below
    • 2. No alisphenoid canal
  6. Suidae
    • Family within the Order Artiodactlya
    • Pigs
    • 1. Incomplete postorbital bar
    • 2. Canines with sharp edges directed out and up
    • 3. Elongated paraoccipital process
  7. Tayassuidae
    • Family within the Order Artiodactyla
    • peccaries
    • 1. Small paraoccipital process
    • 2. Canines sharp vertically directed
    • 3. Broad zygomatic
    • 4. Incomplete postorbital bar
  8. Hippopotamidae
    • Family within the Order Artiodactyla
    • hippo
    • 1. Terrifying canines
  9. Camelidae
    • Family within the Order Artiodactyla
    • Camels, llamas, alpacas
    • 1. No horns or antlers
    • 2. Postorbital bar complete
    • 3. One pair of upper incisors
    • 4. Molars selenodont
    • 5. No sagittal crest
  10. Cervidae
    • Family within the Order Artiodactyla
    • Deer, elk, moose
    • 1. Antlers only in males
    • 2. Lacrimal depression present
    • 3. antorbital vacuity between nasal and lacrimal bones
    • 4. 2 lacrimal foramina at front edge/outside of orbit
  11. Antilocapridae
    • Family within the Order Artiodactyla
    • Pronghorn
    • 1. No lacrimal depression
    • 2. Two lacrimal foramina present on one side of orbit
    • 3. preorbital vacuity
    • 4. Orbits behind toothrow
  12. Giraffidae
    • Family within the Order Artiodactyla
    • The giraffe skull
  13. Bovidae
    • Family within the Order Artiodactyla
    • Antelope, bison, cows, farm animals
    • 1. 1 lacrimal foremen inside orbitĀ (2 in domestic)
    • 2. Postorbital bar

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