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Cyclopteris orbicularis - carboniferous - Mazon creek - Illinois - USA images
Cyclopteris orbicularis - carboniferous - Mazon creek - Illinois - USA
Cyclopteris orbicularis (Brongniart, 1925)
pennsylvanian (carboniferous)
Carbondale Formation
Mazon creek - Coal City, - Illinois - USA
Cyclopteris orbicularis (Brongniart, 1925)
pennsylvanian (carboniferous)
Carbondale Formation
Mazon creek - Coal City, - Illinois - USA
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Reference7851
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from old collection
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Dimension
