Excellent pair of fossil ferns (positive and negative) –...

A beautiful and complete fossil pair (positive and negative plate) of a fossil fern from the Pecopteris group Find location: Mazon Creek, Illinois. Size: 57.5 mm x 30.2 mm (overall thickness: 20.8 mm) Age: Upper Carboniferous, about 300 million years old Feature: It is a classic siderite nodule (iron carbonate concretion) that has split perfectly into two halves. Both halves show the fine, detailed structure of the fern fronds in excellent preservation. Preparation & condition: The fossils have been cleaned and carefully prepared. The veining and the characteristic leaf shape are sharply and contrastively formed. A real highlight for any natural history collection or as an elegant decorative object. Shipping: The shipment is carefully and shock-proof packed with tracking.

Estimation:21€

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