upper carboniferous (0 synonym found)

We don't have synonyms for upper carboniferous yet — it may be a rare, specialized, newly coined, or misspelled word.

We don't have any synonyms for upper carboniferous yet.

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Definition of upper carboniferous:

(n) : from 310 million to 280 million years ago; warm climate; swampy land
Definition of upper carboniferous:

(n) : from 310 million to 280 million years ago; warm climate; swampy land
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