Southern Supercontinent GONDWANA
488.3 MYA 443.7 MYA
LIFE
NAUTILOIDS
LIFE
CONODONTS
Pneumodesmus newmani
(428 MYA)
Evidence of First
Terrestrial
Colonization
Ordovician Mass Extinction
First Mass
Extinction Event
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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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