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How did the Pennsylvanian era start?
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.
Period during which source of great coal deposits in West Virginia Pennsylvania Ohio and Illinois existed?
pennsylvanian period
What was the dominant reptile in the Pennsylvanian period?
bicth
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 did cockroaches first appear?
Actually they were from the Pennsylvanian Period and the Paleozoic Era...
What lived during the Pennsylvanian Period?
There are several things that lived during the Pennsylvanian Period. Giant water scorpions, eels, crocodiles, newts, salamanders, and many other things lived during this time.
What separates the Mississippian period from the Pennsylvanian period?
The Carboniferous Period has been divided into the Lower Carboniferous (Mississippian) and the Upper Carboniferous (Pennsylvanian) based on the differing stratigraphy found on different continents. The Mississippian has a stratigraphy that was mostly limestone, and most coal-bearing deposits (not all) were found in the Pennsylvanian.
Did dinosaurs roam the lands during the pennsylvanian period?
No, dinosaurs did not roam the lands during the Pennsylvanian Period. The Pennsylvanian Period occurred from approximately 323 to 298 million years ago, while dinosaurs first appeared much later in the Triassic Period, around 230 million years ago. During the Pennsylvanian Period, the dominant land animals were early amphibians and reptiles, along with a diverse array of plant life.
What is the Mississippian and Pennsylvanian periods grouped together?
The Mississippian and Pennsylvanian periods are grouped together as the Carboniferous period. This period lasted from approximately 358.9 million to 298.9 million years ago and is known for the widespread deposition of coal-forming swamps.
During what period did the insects first appear?
Silurian Period 408 - 438 Million Years Ago
What happened to the organic remains if the vast swamp forests of the pennsylvanian period?
It turned in to coal.
The first fossils of land plants and animals are found in rocks from the?
Cambrian Period Actually the correct answer to this question is the "Pennsylvanian Period".
