From 310 million to 280 million years ago; warm climate; swampy land. Synonyms: Pennsylvanian, Upper Carboniferous, Upper Carboniferous period.
|
|
|
|
| | | |||
|
|
|
|
Words linked to "Pennsylvanian period" : carboniferous, Carboniferous period, geological period, period |
Copyright © 2024 Free-Translator.com |
