Geologic Time Project by Jake Almeida https://padlet.com/jakealmeida28/xl97lduz03dix0vf en-us 2022-03-29 22:45:43 UTC 2026-02-02 19:49:28 UTC hello@padlet.com Devonian Period jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120295310 Devonian Period 408-360 million years ago]]> 2022-03-29 22:53:46 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120295310 Paleozoic Era jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120296971  Paleozoic Era 544-245 million years ago                        ]]> 2022-03-29 22:55:43 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120296971 Environment jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120298887
  • There was lots of water, forest and swamps
  •  Water covered 85 percent of the world during the Devonian Period. 
    • ]]>     2022-03-29 22:57:55 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120298887     Climate jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120300997
  • The average climate for Devonian Period was mild and warm  
  • Ocean temperature was approximately 80-85 degrees Fahrenheit. 
    • ]]>     2022-03-29 23:00:47 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120300997     Devonian Shark Ferromirum oukherbouchi jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120321901
  • This shark had a slender body measuring (13 inches) in length, very large eyes and specialized jaws.  


    • ]]>     2022-03-29 23:24:18 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120321901     Lungfish jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120329012
  • Lungfish are one of first fish that appeared in the Early Devonian Period
  • Their lungs are connected to the larynx and pharynx without a trachea.
    • ]]>     2022-03-29 23:31:51 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120329012     Ostracoderms jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120338913
  • Ostracoderms are the armored jawless fish
  • They fed on the algae or small animals near the bottom of the water like today's armored catfishes.

    • ]]>     2022-03-29 23:42:01 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120338913     Trilobite jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120353808
  • Trilobite, are extinct arthropods that had elaborate compound eyes
  • Many trilobites were 3–6 cm long
    • ]]>     2022-03-29 23:56:39 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120353808     Brachiopods jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120359489
  • Brachiopods  a group of marine filter-feeding species that have a  resemblance to clams 
  • Are Bilaterally symmetrical.
    • ]]>     2022-03-30 00:01:53 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2120359489     Lepidodendron jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121759634
  •  Lepidodendron grew to over 100 feet tall 
  •  Preferred swamps areas  
  • Diamond-shaped pattern of leaf scars that spiral around the trunk of the tree
    • ]]>     2022-03-30 15:37:15 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121759634     Horsetails jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121766380
  • Horsetails were as large as 8 in (20 cm) in diameter 
  • At least 49 feet (15 m) tall. 
  • Hollow stems  Its stems also are jointed, can easily be separated into sections
  •  Have siliceous ridges that make it rough to the touch.

    • ]]>     2022-03-30 15:40:38 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121766380     Ferns jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121779797
  •  Ferns oldest groups of plants on Earth to exist 
  • Ferns and their relatives first appear in the fossil record some 360 million years ago
    • ]]>     2022-03-30 15:47:23 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121779797     Archaeopteris jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121782464
  • Archaeopteris  lived for at least 40-50 years.
  •  Was most likely the first true tree to form forests during the Late Devonian period 
  • Produced spores rather than seeds


    • ]]>     2022-03-30 15:48:40 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121782464     First invertebrate to reach land and flourish in seas was in the Devonian period jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121837288 2022-03-30 16:15:12 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121837288 Plants grew to an average height of about 10 meters jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121845498 2022-03-30 16:19:21 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2121845498 Devonian period also called Age of Fishes jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122415167 2022-03-30 23:20:18 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122415167 During most of the Devonian Period, North America, Greenland, and Europe were united into a single Northern Hemisphere landmass. A supercontinent called Laurussia or Euramerica. jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122415381 2022-03-30 23:20:35 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122415381 The first seed-bearing plants spread across dry land, forming huge forests. The super continent of Gondwanaland was to the south, and the continent of Siberia to the north. jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122423426 2022-03-30 23:30:06 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122423426 jakealmeida28 https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122461630 2022-03-31 00:07:09 UTC https://padlet.com/jakealmeida28/xl97lduz03dix0vf/wish/2122461630