• Sphenopteris oligacarpia Fern (5.5 cm) - Poland - Carboniferous

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    Sphenopteris oligacarpia seed fern from Upper Silesia, Poland. Dates to the Carboniferous Period (Westphalian "B") - Circa 310 million years old.


    Stunning detail.


    Nodule: 5.5 cm x 3.5 cm x 1.5 cm