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Noun: Pennsylvanian period
  1. The period from 310 million to 280 million years ago; characterized by warm climate and swampy land
    - Pennsylvanian, Upper Carboniferous, Upper Carboniferous period

Type of: geological period, period

Part of: Carboniferous, Carboniferous period

Encyclopedia: Pennsylvanian period

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Pennisetum glaucum
Pennisetum ruppelii
Pennisetum setaceum
Pennistum villosum
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penn'orth
Pennsylvania
Pennsylvania Dutch
Pennsylvanian
Pennsylvanian period
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