Ordovician

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Little Presentation on the Ordovician Period for our Biogeography Class

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Ordovician

  1. 1. Southern Supercontinent GONDWANA 488.3 MYA 443.7 MYA
  2. 2. LIFE NAUTILOIDS
  3. 3. LIFE CONODONTS
  4. 4. Pneumodesmus newmani (428 MYA) Evidence of First Terrestrial Colonization
  5. 5. Ordovician Mass Extinction First Mass Extinction Event

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