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Calamites cisti Brongniart, 1828

Calamites cisti Brongniart, 1828
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Calamites cisti Brongniart, 1828
Calamites cisti Brongniart, 1828
Calamites cisti Brongniart, 1828

Products description

Here is a Mazon Creek nodule with two stem segments of the species Calamites cisti.

 
 

Location:

Mazon Creek, Braidwood, Illinois , USA 
Size of concretion :about 94 x 53 mm
Age:Upper Carboniferous, Pennsylvanian , Carbondale Fm. (about 300 Ma)

Product no.: 10135