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Canadian Amphibian and Reptile Conservation Network - Réseau Canadien de 
Conservation des Amphibiens et des Reptiles

Key to Families of Lizards

Choose the description that best fits the animal of interest. If none fit go back to step one.

  • A.     Lizard with body flattened and wider than neck, head with stubby spines but deep notch in back of skull, single row of pointed scales forming fringe around side of body, generally less than 75 mm body length.
  • Phrynosomatidae (Lézards épineux)
  • B.     Lizard with distinct fold along side, indistinct crossbands on back or transverse blotches, dark stripes along edges of belly scales, generally less than 30 cm total length.
  • Anguidae (Les lézards-alligators)
    one species in Canada: Elgaria coeruleus prinicipis (Lézard-alligator du Nord)
  • C.     Slender lizard with smooth sleek scales, all species in Canada have longitudinal stripes down the back, large adults may be uniform gray or brown in colour, juveniles have bold blue or gray tail.
  • Scincidae (Les Scinques)
  • D.     Lizard with minute, bead-like round scales on back and flank (each scale less than 0.5 mm in diameter), in combination with belly scales that are rectangular and comparatively large.
  • Lacertidae (Lézard des murailles)
    One species introduced on Vancouver Island:
    Podarcis muralis (Lézard des murailles)