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Meaning of Ordovician period in English

Table of contents
  1. Pronunciation
  2. Noun
    1. Definitions
  1. Pronunciation

    US accent

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  1. Noun

    Ordovician period

    Definitions

    1. from 500 million to 425 million years ago

    Examples

    • « conodonts and ostracods and algae and seaweeds »

Browse dictionary

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