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Monday May 12, 2025 at 6:26:44 AM (EST)
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| Extremely Rare Tertiary Crinoid Crowns From Oregon |
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OTHER US STATES
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| Stock Number CCUSX04 |
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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
Click here for similar specimens that are for sale
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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