Bargain Pachylocrinus Crinoid - Indiana

This is a rare Pachylocrinus aequalis 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. The crown of the crinoid is .69" long.

It is believed that crinoids from the Ramp Creek Limestone 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.
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DETAILS
SPECIES
Pachylocrinus aequalis
LOCATION
Witherspoon Quarry, Crawfordsville, Indiana
FORMATION
Ramp Creek Limestone
SIZE
Crown ..69" on 1.6x.9" matrix
CATEGORY
SUB CATEGORY
ITEM
#47042
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