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Unusual Echinoderm From The Ordovician
OTHER ECHINODERMS
Stock Number XIOE10

Name:   Oklahomacystis tribachiatus
Age:  Ordovician
Formation:  Bromide Formation
Location:  Carter County, Oklahoma
Size:  Paracrinoid is 0.7 inches long
This specimen is not for sale
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Here is a nice example of a paracrinoid. This is Oklahomacystis tribrachiatus from the Ordovician of Oklahoma. The paracrinoid has been removed from the surrounding matrix so that it can be studied from all angles. This primitive echinoderm is very 3-dimensional and exhibits great detail. It has extremely ornamented plates that are very nicely articulated. This is a great example of this bizarre Ordovician echinoderm.