3.15" Parascytalocrinus Crinoid - Crawfordsville, Indiana

 
This is a 3.15" long Parascytalocrinus hamiltonensis crinoid from the famous Witherspoon crinoid quarry near Crawfordsville, Indiana. The quality of preparation on this fossil is exquisite - using skillful air-abrasion techniques under a stereo microscope.

It is believed that crinoids from the Edwardsville Formation were buried in sediment from nearby deltas during storms. The resulting siltstone deposits are soft enough that fossils can be extracted in exquisite, three-dimensional relief.

Note:There is some restoration work to the matrix but the crinoid itself is natural.
DETAILS
SPECIES
Parascytalocrinus hamiltonensis
LOCATION
Witherspoon Quarry, Crawfordsville, Indiana
FORMATION
Edwardsville Formation
SIZE
Crinoid 3.15" long
CATEGORY
SUB CATEGORY
ITEM
#16088
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