answersLogoWhite

0

The Pennsylvanian period began around 323 million years ago during the Carboniferous period. It is characterized by the abundant growth of ferns, amphibians, and early reptiles, leading to the formation of extensive coal swamps. The Pennsylvanian era was a time of significant environmental and evolutionary changes.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Related Questions

When did the Pennsylvanian period start?

I have no clue.


When did cockroaches first appear?

Actually they were from the Pennsylvanian Period and the Paleozoic Era...


Carboniferous period was subdivided into what two periods?

The Carboniferous period is subdivided into the Mississippian and the Pennsylvanian periods.


What era did swamps form and coal begin to develop?

I believe it was during the Permian and Pennsylvanian eras.


How long did the pennsylvanian period last?

The Pennsylvanian Period was from about 325 million to 280 million years ago. It is part of the Paleozoic Era. The Pennsylvanian and the Mississippian (345 to 325 MYA) are often grouped together as the Carboniferous Period.


When was The Daily Pennsylvanian created?

The Daily Pennsylvanian was created in 1885.


When was John Potts - Pennsylvanian - born?

John Potts - Pennsylvanian - was born in 1710.


When did SS Pennsylvanian end?

SS Pennsylvanian ended on 1919-07-16.


When was SS Pennsylvanian created?

SS Pennsylvanian was created on 1918-09-13.


Where were humans at during the pennsylvanian era?

They weren't even a gleam in anything's eye back then - nor were any other mammals. The "highest" forms of live were amphibians (like frogs). That was the era when the first eggs were made.


Is the mississippian period in paleozoic era?

Yes. The Mississippian period is a part of the Paleozoic era, along with the Cambrian, Ordovician, Silurian, Devonian, Pennsylvanian, and Permian periods.


Is 'Pennsylvanian' capitalized?

Yes, "Pennsylvanian" should be capitalized when referring to the people or things related to the state of Pennsylvania.