upper carboniferous meaning and definition

Definition and meaning of upper carboniferous at MeaningMonkey.org. upper carboniferous meaning and definition in the English Dictionary.

UPPER CARBONIFEROUS noun

Definition of Upper Carboniferous (noun)

from 310 million to 280 million years ago; warm climate; swampy land
- synonyms: Pennsylvanian, Pennsylvanian period, Upper Carboniferous period

Source: Princeton University Wordnet

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