Intro to fossil lab

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Intro to fossil lab

  1. 1. Intro to Fossil Lab
  2. 2. Major Phyla we will observe <ul><li>Brachiopoda </li></ul><ul><li>Cyanobacteria </li></ul><ul><li>Mollusca </li></ul><ul><li>Arthropoda </li></ul><ul><li>Echinodermata </li></ul><ul><li>Cnidaria </li></ul><ul><li>Porifera </li></ul><ul><li>Chordata </li></ul><ul><ul><li>Vertebrata- All vertebrates </li></ul></ul><ul><ul><li>Graptolithina- graptolites </li></ul></ul><ul><li>KINGDOM Plantae </li></ul>
  3. 3. Brachiopods Cambrian-present <ul><li>Bilateral symmetry bisects each individual valve. Each shell is different. </li></ul><ul><li>Most groups extinct since Permian, only few brachiopods remain today </li></ul>
  4. 4. Cyanobacteria early Precambrian-present <ul><li>Photosynthetic bacterium </li></ul><ul><li>stromatolites </li></ul>
  5. 5. Mollusks Cambrian-present <ul><li>Gastropod </li></ul><ul><li>Cephalopod </li></ul><ul><li>Bivalve </li></ul>
  6. 6. Arthropods Cambrian-present <ul><li>Exoskeleton </li></ul><ul><li>Jointed legs </li></ul><ul><li>Segmented body </li></ul><ul><li>Only subphylum extinct are trilobites </li></ul>
  7. 7. Echinoderms Cambrian-present <ul><li>Pentaradial symmetry </li></ul>
  8. 8. Cnidarians late Precambrian-present
  9. 9. Porifera Precambrian-present <ul><li>sponges </li></ul>
  10. 10. Chordates Cambrian-present <ul><li>Notochord </li></ul><ul><li>Graptolites (subphylum)- extinct since Carboniferous </li></ul><ul><li>Vertebrates (subphylum) </li></ul>Ferraro pic Ferraro pic
  11. 11. Plants <ul><li>Photosynthetic; use chloroplasts. </li></ul>

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