2.8" Fossil Horsetail (Calamites) In Ironstone, Pos/Neg - Illinois

 
This is a 2.8" fossil horsetail (Calamites) stalk from the Carbondale Formation near Coal City, Illinois.

Calamites is an extinct genus of tree like plant, closely related to modern horsetails, from the Late Carboniferous, Pennsylvanian aged forests.
DETAILS
SPECIES
Calamites cisti
LOCATION
Coal City, Illinois
FORMATION
Carbondale Formation
SIZE
2.8" calamites stalk, 3.6 x 2.2" nodule
ITEM
#120995
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