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Pecopteris sp.
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Products description
This is a fossil concretion from Mazon Creek with a leaf branch of of the genus Pecopteris sp. | |||
Location: | Mazon Creek, Braidwood, Illinois , USA | ||
| Size of concretion : | about 77 x 31 mm | ||
| Age: | Upper Carboniferous, Pennsylvanian , Carbondale Fm. (about 300 Ma) | ||
Product no.: 10130