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Effects of Past Global Change on Life (1995) / Chapter Skim
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Pages 195-196

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From page 195...
... The nine immigrant genera recognized here are thought to be clustered in the late Duchesnean (Emry, 1981; Krishtalka et al., 1987) , but this may well be an artifact of a relatively TABLE 11.1 Land Mammal Immigration Episodes Mammal Age Genera Age (Ma)
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From page 196...
... DAVID WEBB AND NEIL D OPDYKE Mammal Age Order Genera Clarkforkian (ca.
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Key Terms

  • immigration episodes
  • immigration episode
  • land mammal
  • mammal age
  • mammal ages

  • immigrant genera
  • mammal immigration
  • mammal faunas
  • mammal fauna
  • american land

  • late pliocene
  • environmental changes
  • mammal genera
  • late hemphillian


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