1.3" Fossil Echinoid (Archaeocidaris) - Indiana

This is a 1.3" fossil echinoid from the Edwardsville Formation, Crawfordsville, Indiana. This specimen is Archaeocidaris, an urchin.

The quality of preparation on this fossil is exquisite - using skillful air-abrasion techniques under a stereo microscope.

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DETAILS
SPECIES
Archaeocidaris illinoisensis
LOCATION
Crawfordsville, Indiana
FORMATION
Edwardsville Formation
SIZE
1.3", 2.3 x 2" rock
CATEGORY
SUB CATEGORY
ITEM
#110588
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