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Upper Carboniferous period
Noun
the period from 310 million to 280 million years ago; characterized by warm climate and swampy land
synonym
Pennsylvanian
Pennsylvanian period
Upper Carboniferous
holo part
Carboniferous
Carboniferous period
instance hypernym
geological period
period
Upper Carboniferous period vs Pennsylvanian
Upper Carboniferous period vs Pennsylvanian period
Upper Carboniferous period vs Upper Carboniferous
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