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Extremely Rare Tertiary Crinoid Crowns From Oregon
Stock Number  CCUSX04

Name:   Isocrinus oregonensis
Age:  Oligocene
Formation:  Keasy Formation
Location:  Mist, Oregon
Size:  Plate is 3.3" X 4.7". Larger crinoid is 3.0 inches across.
This specimen is not for sale
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This may be one of the rarest crinoid pieces we have ever offered for sale. It has been many years since we have seen a crinoid from the Keasy Formation. This was recently acquired from a major crinoid collection. The crinoids are preserved by calcite and are not cast and mold preservation like some of the crinoids from this area. The almost-black crinoids contrast very nicely with the light gray matrix. The plate structure is well defined and the crinoids show good pinnulation of the arms. This is a great specimen for the crinoid enthusiast.



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