Urdu Meanings, Pronounciation and Synonyms:
Upper Carboniferous
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: Upper Carboniferous
| 1. Upper Carboniferous [ Synonyms: pennsylvanian, pennsylvanian period, upper carboniferous period] | |
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From 310 million to 280 million years ago; warm climate; swampy land
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