Wooster’s Fossil of the Week: A crinoid stem internal mold from the Lower Carboniferous of Ohio

crinoid internal mold 1

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3 Responses to crinoid internal mold 1

  1. Charles says:

    I have one of these took a long time to find a similar photo to compare to. Are these types rare? Found in Northeast Arkansas. The photo above is the only other sample I have seen that looks like the one I have.

  2. Mark Wilson says:

    These crinoid internal molds are not common.

  3. Charles says:

    I would like to send you a photo of the one I have if that is ok. Thanks for the information.

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