Lab 8

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Author:
lndsyfree
ID:
273215
Filename:
Lab 8
Updated:
2014-05-05 22:39:41
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wfcb
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Description:
Orders Lagomorpha, Carnivore, and Caniforma
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  1. Lagomorpha
    • Order within the Infraorder Eutheria
    • Hares, rabbits, pikas
    • 1. Two pairs of upper incisions, 2nd pair located directly behind the first
    • 2. fenestrated maxilla
    • 3. Incisions and cheekteeth separated by large diastema
  2. Ochotonidae
    • Family within the Order Lagomorpha
    • pikas
    • 1. pinna short, rounded
    • 2. maxilla with single perforations
    • 3. Cutting edge of the 1st upper incision V-shaped
  3. Leporidae
    • Family within the Order Lagomorpha
    • Rabbits, cottontails, hares, and jackrabbits
    • 1. Pinna long, pointed
    • 2. Fan-shaped supraorbital process
    • 3. Maxilla with numerous perforations
  4. Carnivora
    Order within the Infraclass Eutheria
  5. Felidae
    • Family within the Order Carnivora
    • cats
    • 1. Skull short, rounded formally; rostrum very short, blunt
    • 2. carnassials very well developed
    • 3. Last upper molar tiny, round
    • 4. Well-developed postorbital process
  6. Viverridae
    • Family within the Order Carnivora
    • civets
    • 1. Pelage usually spotted or striped
    • 2. alisphenoid canal present
    • 3. Notch at posterior end of palate
    • 4. One hole after auditory bullae
  7. Herpestidae
    • Family within the Order Carnivora
    • mongooses
    • 1. Pelage unicolored or with dorsal bands
    • 2. Complete postorbital bar
    • 3. 2 holes in front of auditory bullae
  8. Hyaenidae
    • Family within the Order Carnivora
    • Hyenas
    • 1. Massive skull
    • 2. Sagittal crest
    • 3. Large last upper molar
  9. Caniformia
    • Suborder within the Order Carnivora
    • Contains Family Canidae
  10. Canidae
    • Family within the Suborder Caniforma
    • Dogs, wolves, coyotes, foxes
    • 1. Skull elongated; rostrum relatively long
    • 2. Well-developed tabloid on 1st lower molar
    • 3. Large sagittal crest
  11. Ursidae
    • Family within the Order Carnivora
    • Bears
    • 1. mastoid process subequal in size to paraoccipital process
    • 2. alisphenoid canal present
    • 3. Poorly developed carnassials/bunodont
    • 4. Last upper molar very large, elongated anteroposteriorly
  12. Otariidae
    • Family within the Order Carnivora
    • eared seals, sea lions, fur seals
    • 1. Pinna present
    • 2. Supraorbital process well-developed
    • 3. Mastoid process separate from auditory bulla (unlike Phocidae)
    • 4. Pegged cheekteeth
  13. Odobenidae
    • Family within the Order Carnivora
    • 1. Upper canine enormous
    • 2. No lower incisors
    • 3. Peg-like cheekteeth
  14. Phocidae
    • Family within the Order Carnivora
    • Earless seals
    • 1. Body usually spotted or banded
    • 2. hindlimbs incapable of forward rotation
    • 3. Mastoid process bound to auditory bulla unlike Otariidae
    • 3. cheekteeth multi-cusped
  15. Mustelidae
    • Family within the Order Carnivora
    • Weasels, otters, badgers, wolverines
    • 1. postmandibular process prominent and often locks into lower jaw
    • 2. Rostrum short
    • 3. palate extends beyond toothrow edge (except in Wolverines)
    • 4. Upper molar dumbbell shaped in weasel
  16. Mephitidae
    • Family within the Order Carnivora
    • skunks
    • 1. Skull somewhat delicate/rounded
    • 2. Palate extends to posterior end of toothrow
    • 3. Smaller auditory bulla than mustelids
    • 4. Last upper molar square
  17. Procyonidae
    • Family within the Order Carnivora
    • Coati, kinkajou, raccoon
    • 1. Ringed tail
    • 2. Mastoid process equal to or larger in size than paraoccipital process
    • 3. Upper molars usually with hypocone
    • 4. Last upper molar relatively large, rounded

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