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This Specimen has been sold.
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2.4" Fossil Crinoid (Zeacrinites) Crown - llinois
This is a 2.4" crinoid (Zeacrinites sp.) crown from the Ridenhower Formation in Illinois. The quality of preparation on this fossil is exquisite - using skillful air-abrasion techniques under a stereo microscope to remove all of the surrounding rock.
It comes with an acrylic display stand.
There is a repaired crack through the crinoid.
It comes with an acrylic display stand.
There is a repaired crack through the crinoid.
Crinoids, sometimes commonly referred to as sea lilies, are animals, not plants. They are echinoderms related to starfish, sea urchins, and brittle stars. Many crinoid traits are like other members of their phylum; such traits include tube feet, radial symmetry, a water vascular system, and appendages in multiples of five (pentameral). They first appeared in the Ordovician (488 million years ago) and some species are still alive today.
SPECIES
Zeacrinites sp.
LOCATION
Floraville, Illinois
FORMATION
Ridenhower Formation
SIZE
2.4" long
CATEGORY
SUB CATEGORY
ITEM
#269775
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