1.6" Fossil Worm (Esconites) Pos/Neg - Illinois

This is a 1.6", fossil worm (Esconites), preserved inside an ironstone nodule from the Carbondale Formation near Essex, Illinois.

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DETAILS
SPECIES
Esconites zelus
LOCATION
Essex, Illinois
FORMATION
Carbondale Formation
SIZE
1.6" worm, 2.9 x 1.6" nodule
CATEGORY
ITEM
#120723
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