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The Geologic TImeline

The Devonian Period
by

Sherrilyn Teeluk

on 8 February 2013

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Transcript of The Geologic TImeline

The Devonian Period By Sherrilyn K. Teeluk Geological Events Theories victoriastaffordapsychicinvestigation.wordpress.com Stages: 390 Million Years ago (M.Y.A) 380 Million Years Ago (M.Y.A) Introduction: www.clccharter.org orbi.ulg.ac.be www.emc.maricopa.edu 359.2-416 Millions of Years Ago Devon, England facweb.bhc.edu http://www.goodfreephotos.com/cache/fossils/dsc00523_w580_h563.jpg http://palaeos.com/vertebrates/placodermi/images/Arthrodira1.jpg http://npanth.wordpress.com/category/osth/ http://www.windeatt.f2s.com/windeatt/maps.htm Land Animals C02 dropped steeply throughout time. nanopatentsandinnovations.blogspot.com 21% less oxygen then today www.devoniantimes.org Tetrapods (amphibians):
Fish that developed lungs and legs mdevonlife.blogspot.com wwwmidgetonfire.blogspot.com Jawless Fish Athropods http://www.earthhistory.org.uk/images/oum-fossils www.clccharter.org louisvillefossils.blogspot.com Marine Animals "The Age of Fishes" http://www.devoniantimes.org/who/pages/placoderm.html Placoderms (Plate skin): Known for shield-like plates Acanthodians Bony spines http://www.devoniantimes.org/who/pages/acanthodians.html Ray-Fin Fish http://www.devoniantimes.org/who/pages/ray-fin.html 2,400 species depended on http://www.devoniantimes.org/who/pages/lobe-fins.html spine-like Fleshy-like Lobe-Fin Fish digsfossils.com Tribolites www.redbubble.com http://www.science.org.au/nova/newscientist/ns_diagrams/104ns_002image1.jpg http://www.biocab.org/Geological_Timescale.jpg Early Late Examples: Early Middle-Late 86 [°F] degrees Fahrenheit
30 [°C] degrees Celsius 9 [°F] degrees Fahrenheit
-12.78 [°C] degrees Celsius 86 [°F] degrees Fahrenheit
30 [°C] degrees Celsius 370-360 M.Y.A End stage Early Stage Average:
100 Ft. Average:
3.3 ft. www.clccharter.org Tempt: Brachiopods http://www.rockgarden.com/page8/page8.html http://www.fallsoftheohio.org/DevonianBrachiopods.html Ammonites Dunkleosteus: Placoderms http://go2add.com/paleo/Devonian.php http://www.ucmp.berkeley.edu/plants/lycophyta/lycophyta.html http://www.ucmp.berkeley.edu/plants/sphenophyta/sphenophyta.html http://www.ucmp.berkeley.edu/plants/pterophyta/pteridopsida.html http://www.fossils-facts-and-finds.com/ammonites.html Sea Lilies www.earthhistory.org.uk www.mcgill.ca Coral Reefs http://louisvillefossils.blogspot.com/2012/09/syringopora-perelegans-coral-fossil.html www.edzone.net www.nbcnews.com www.kidsgeo.com www.unique-southamerica-travel-experience.com go2add.com www.rareresource.com http://listnation.blogspot.com/2012/02/five-major-extinctions-of-earth.html http://www.freewebs.com/ichthyostega/paleozoicera.htm http://bio.sunyorange.edu/updated2/THINKING_EVOLUTION/prehistoric/pl2/insects2.htm kendranewell.wordpress.com www.trilobites.info http://www.ucmp.berkeley.edu/devonian/devonian.php Sources: http://www.glogster.com/jake5112/devonian-period/g-6ls62p79klhglbi1rldfma0
http://www.xtimeline.com/evt/view.aspx?id=828200
http://dinosaurs.about.com/od/PaleozoicEra/a/Devonian-Period.htm
http://universe-review.ca/R10-19-animals.htm#Devonian
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