Trilobites

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2 Comments
  • Anonymous
    August 1, 2010

    Did you know that the fossil (ammonite) in the picture is a cretaceous index marker?

  • Anonymous
    August 1, 2010

    Yes I do. Did you know that while they didn’t make it, the Nautilus did, in spite of the fact that they are similar in form and environment.

    Richard