• Macrocrinus mundulus - USA - Carboniferous

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    Macrocrinus mundulus Crinoid from the Edwardsville Formation, Crawfordsville, Indiana, USA.

    Dates to the Carboniferous period (Lower Mississippian) - In the region of 350 million years old.

    Matrix: 11 cm x 6.5 cm

    Crinoid (if outstretched): 13.5 cm

    Excellent detail & nice sized example of this crinoid.