Stock Photo - A fossilised early tree (Archaeopteris hibernica) from the Upper Devonian, first thought to have been a fern frond. The lower section of the branch bears looses cones. Specimen from Kilkenny, Ireland.

Stock Photo: A fossilised early tree (Archaeopteris hibernica) from the Upper Devonian, first thought to have been a fern frond. The lower section of the branch bears looses.

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