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Paleozoic Era > Ordovician Period

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Directory > Science > Earth Sciences > Geology and Geophysics > Geologic Time > Paleozoic Era > Ordovician Period


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  • Ordovician
    Known for the presence of its diverse marine invertebrates, including graptolites, trilobites, brachiopods, and the conodonts (early vertebrates).
    www.ucmp.berkeley.edu/ordovician/ordovician.html
  • Mohawk Valley Fossils
    Examines the sediments that were deposited during the Middle to Late Ordovician Period in the ocean that was then at the present site of the Mohawk River Valley of New York.
    zircon.geology.union.edu/gildner/stack.html
  • Lake Témiscamingue Fossil Centre: The Earth Before the Dinosaurs
    Focusing on the Ordovician-Silurian period, from 505 to 400 million years ago.
    www.rlcst.qc.ca/en/31.html
 



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