Englisch
Detailed Synonyms for Upper Carboniferous in Englisch
Upper Carboniferous:
Upper Carboniferous [the ~] Nomen
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the Upper Carboniferous
– from 310 million to 280 million years ago; warm climate; swampy land 1the Pennsylvanian; the Pennsylvanian period; the Upper Carboniferous; the Upper Carboniferous period– from 310 million to 280 million years ago; warm climate; swampy land 1