BIO 370 — Vertebrate Zoology
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Vertebrate Anatomy
Mammal Skeletons
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Identify the listed structures on the skeletons of
a Brown Rat (Rattus norvegicus), Domestic Dog (Canis lupus familiaris), Virginia Opossum (Didelphis virginiana), Bat, and Eastern Mole (Scalopus aquaticus)


  • Calcar (bat only)
  • Carpals
  • Clavicle
  • Epipubic bone (opossum only)
  • Falciform bone (mole only)
  • Femur
  • Fibula
  • Hyoid (dog only)
  • Humerus
  • Ilium
  • Incisors
  • Ischium
  • Mandible (Dentary)
  • Metacarpals
  • Metatarsals
  • Patella (rat & mole)
  • Phalanges
  • Pubis
  • Radius
  • Ribs
  • Scapula
  • Sternum
  • Skull
  • Tarsals
  • Tibia
  • Ulna
  • Vertebrae:
       Caudal
       Cervical (incl. Atlas, Axis)
       Lumbar
       Sacrum
       Thoracic
  • Zygomatic Arch

Rat Skeleton plain
Dog Skeleton plain
Opossum Skeleton plain
Bat Skeleton plain
Mole Skeleton plain

Camel Skeleton plain
Stenomylus sp., an extinct camel (20 Ma, North America) showing unguligrade posture

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This page last updated 6 June 2021 by Udo M. Savalli ()
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