Pennsylvanian period English

Meaning Pennsylvanian period meaning

What does Pennsylvanian period mean?

Pennsylvanian period

— noun (= Pennsylvanian) from 310 million to 280 million years ago; warm climate; swampy land

Synonyms Pennsylvanian period synonyms

What other words have the same or similar meaning as Pennsylvanian period?

Pennsylvanian period English » English

Upper Carboniferous period

Upper Carboniferous

Pennsylvanian