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1. Pennsylvanian Period—323.2 to 298.9 MYA - U.S. National Park Se…
Link: https://www.nps.gov/articles/000/pennsylvanian-period.htm
Description: Web ResultApr 28, 2023 · Pennsylvanian Time Span. Date range: 323.2 million years ago–298.9 million years ago. Length: 24.3 million years …
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2. Pennsylvanian (geology) - Wikipedia
Link: https://en.wikipedia.org/wiki/Pennsylvanian_(geology)
Description: Web ResultThe Pennsylvanian (/ ˌ p ɛ n s əl ˈ v eɪ n i. ən / pen-səl-VAYN-i-ən, also known as Upper Carboniferous or Late …
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3. Pennsylvanian Period | Encyclopedia.com
Link: https://www.encyclopedia.com/earth-and-environment/geology-and-oceanography/geology-and-oceanography/pennsylvanian-period
Description: Web ResultJun 11, 2018 · Pennsylvanian Period. The Pennsylvanian Period lasted from 320 to 286 million years ago. During the …
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4. The Story of Life on Land During the Pennsylvanian
Link: https://www.cmnh.org/in-the-news/science-blog/october-2020/the-story-of-life-on-land-during-the-pennsylvanian
Description: Web ResultOne of the most iconic images in Earth's history is of the vast swamp forests that thrived in tropical latitudes during the …
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5. 2.15: Pennsylvanian Period (323 to 299 million years ago)
Link: https://geo.libretexts.org/Bookshelves/Oceanography/Oceanography_101_(Miracosta)/02%3A_Evolution_of_Life_Through_Time/2.15%3A_Pennsylvanian_Period_(323_to_299_million_years_ago)
Description: Web ResultFeb 15, 2021 · Pennsylvanian Period (323 to 299 million years ago) The Pennsylvanian Period is named for the coal-bearing …