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Noun: Devonian  di'vow-nee-un
  1. From 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
    - Devonian period, Age of Fishes

Derived forms: Devonians

Type of: geological period, period

Part of: Palaeozoic [Brit, Cdn], Paleozoic, Paleozoic era

Encyclopedia: Devonian