Foram? Diatom? What is it?

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  • April 11, 2016 at 4:51 pm #4169
    Fossil Hunter
    Participant

    Unknown, tiny calcareous fossil

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    April 11, 2016 at 5:39 pm #4172
    Victor Perez
    Participant

    That’s a crinoid columnal, which makes up the stalk of the animal. The five-fold symmetry is what makes it diagnostic. My guess is that you are collecting in Indiana, Kentucky, Ohio, or a state near there? @lenawright Is there anything else you can say about this that I haven’t?

    April 13, 2016 at 11:44 pm #4320
    Jack Kallmeyer
    Moderator

    Definitely a crinoid columnal.  I t looks too big for Ordovician.  More likely Mississippian.

    Any additional information to help us help you?

     

    Jack

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