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14 June, 11:08

What's the earliest mass extinction on record

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Answers (2)
  1. 14 June, 12:04
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    End Ordovician, 444 million years ago, 86% of species lost

    - Graptolite 2-3 cm length
  2. 14 June, 13:26
    0
    Ithe earliest mass extinction on record is critters
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