Fossil Plant Leaf Impressions in Matrix, Group of Four Specimens

North America, Carboniferous period. A group of four fossil plant specimens preserved in stone nodules. Two specimens show fern fronds with pinnules arranged along a central axis, the larger with closely spaced pinnules along most of its length. The smallest specimen shows a single leaflet with fine radiating veins, possibly Macroneuropteris. The fourth shows a leaf or stem impression with fine parallel striations. A Certificate of Authenticity will accompany all winning bids. Item # 199442

估價:$100

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