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Defenition of the word ordovician

    • Defenition of the word ordovician

      • from 425 million to 500 million years ago; conodonts and ostracods and algae and seaweeds
      • from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds

    Synonyms for the word ordovician

      • Ordovician
      • Ordovician period

    Meronymys for the word ordovician

      • Paleozoic
      • Paleozoic era

    Hypernyms for the word ordovician

      • geological period
      • period

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