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Upper Carboniferous Period
Definition of Upper Carboniferous Period
1.
From 310 million to 280 million years ago; warm climate; swampy land
Noun
Synonyms for word "upper carboniferous period"
pennsylvanian
pennsylvanian period
upper carboniferous
Semanticaly linked words with "upper carboniferous period"
carboniferous
carboniferous period
geological period
period