Pennsylvanian period synonyms

The Pennsylvanian Period.

from 310 million to 280 million years ago; warm climate; swampy land

Find another word for Pennsylvanian period. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for Pennsylvanian period, like: pennsylvanian, upper carboniferous and Upper Carboniferous period.