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Pennsylvanian Period

Pennsylvanian Period. By: Ryan Erickson 6 th Hour. Relation To The State. ?. The period is related to the state of Pennsylvania It is named after the coal deposits in Pennsylvania that formed during the period. Date of Pennsylvanian Period. 318 MYA-299 MYA

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Pennsylvanian Period

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  1. Pennsylvanian Period By: Ryan Erickson 6th Hour

  2. Relation To The State ? • The period is related to the state of Pennsylvania • It is named after the coal deposits in Pennsylvania that formed during the period

  3. Date of Pennsylvanian Period • 318 MYA-299 MYA • Late part of Carboniferous Period (359 MYA – 299 MYA)

  4. Continental Position/Activity • Laurussia (North America and Europe) and Siberia formed Laurasia • Parts of Gondwana (southern supercontinent) drifted north • Pangaea (single supercontinent) was starting to form at the end of Pennsylvanian Period (299 MYA)

  5. Climate and Vegetation • Ice covered most of Southern Hemisphere (Gondwana) from Karoo Ice Age (360 MYA – 260 MYA) • Large tropical swamps formed near equator • The organic matter from these swamps formed the period’s well-known coal deposits over millions of years

  6. Atmosphere • The large tropical swamps created a surplus of oxygen (from photosynthesis – taking in carbon dioxide and returning oxygen) • Atmospheric oxygen levels reached 35% (some of the highest in all of history)

  7. Immense Insects • The astronomical atmospheric oxygen levels of the period created some of the largest insects in history Meganeura Arthropleura

  8. Immense Insects (continued) • Meganeura • Massive insect resembling a dragonfly • Could have wingspan of 70 cm (27.56 in) • Carnivores (ate insects) • Arthropleura • Massive arthropod resembling a millipede • Could be 2 meters in length (80 in.) • Herbivores (had mouthparts for eating • and chewing plants)

  9. Reptiles • The first reptiles appeared during the Pennsylvanian Period • One of the first reptiles was the hylonomuslyelli • Hylonomuslyelli • The earliest known reptile • Lizard-like • Carnivores (feed on millipedes and insects) • 20 cm (8 in.) long including tail

  10. Citations • "Arthropleura". N.p., n.d. Web. <http://1.bp.blogspot.com/-- bASlxnvsqk/TeK_6zjlFAI/AAAAAAAAACw/zHNBMWFkL8k/s1600/arthropleura1.jpg>. • "Carboniferous Period". N.p., n.d. Web. <http://ichef.bbci.co.uk/naturelibrary/images/ic/credit/640x395/c/ca/carboniferous/carboniferous_1.jpg> • "Carboniferous Period". N.p., n.d. Web. <http://images.nationalgeographic.com/wpf/media- live/photos/000/008/cache/carboniferous-landscape_869_600x450.jpg>. • "Carboniferous Period Article, Carboniferous Information, Prehistoric Facts." National Geographic. N.p., n.d. Web. 8 Mar. 2014. <http://science.nationalgeographic.com/science/prehistoric-world/carboniferous/>. • "HowStuffWorks "Pennsylvanian Period"." HowStuffWorks. N.p., n.d. Web. 8 Mar. 2014. <http://science.howstuffworks.com/environmental/earth/geology/pennsylvanian-period-info.htm>. • "HylonomousLyelli". N.p., n.d. Web. <http://0.tqn.com/d/dinosaurs/1/0/y/1/-/-/hylonomus.jpg>. • "Hylonomus: The Earliest Reptile: Natural History Notebooks." Canadian Museum of Nature – Muséecanadien de la nature. N.p., n.d. Web. 8 Mar. 2014. <http://nature.ca/notebooks/english/coalrep.htm>. • "Late Carboniferous." Home Page. N.p., n.d. Web. 8 Mar. 2014. <http://www.scotese.com/late.htm>. • "Late Carboniferous". N.p., n.d. Web. <http://www.scotese.com/images/306.jpg>. • "Meganeura". N.p., n.d. Web. <http://25.media.tumblr.com/tumblr_lyqg5e2q3W1r4zy85o3_500.jpg>. • "Oxygen Symbol". N.p., n.d. Web. <http://tinyurl.com/mu3spks>. • "Pennsylvanian : Overview." Paleobiology Home. N.p., n.d. Web. 8 Mar. 2014. <http://paleobiology.si.edu/geotime/main/htmlversion/pennsylvanian1.html>. • "Pennsylvanian : Pennsylvanian Animal Life." Paleobiology Home. N.p., n.d. Web. 8 Mar. 2014. <http://paleobiology.si.edu/geotime/main/htmlversion/pennsylvanian2.html>. • "Pennsylvanian : Pennsylvanian Climate and Tectonics." Paleobiology Home. N.p., n.d. Web. 8 Mar. 2014. <http://paleobiology.si.edu/geotime/main/htmlversion/pennsylvanian4.html>. • "Pennsylvanian : Plant Life and the Coal Forests." Paleobiology Home. N.p., n.d. Web. 8 Mar. 2014. <http://paleobiology.si.edu/geotime/main/htmlversion/pennsylvanian3.html>. • "Pennsylvanian State Outline". N.p., n.d. Web. <http://www.worldatlas.com/webimage/countrys/namerica/usstates/outline/pa.gif>.

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