Description:

**Originally Listed At $200**

North America, Western United States, Utah, Millard County, Wheeler Formation, Middle Cambrian, ca. 507 million years ago. A group of four marine fossil specimens. Included are a dark gray shale matrix from the Wheeler Formation preserving a well-defined trilobite, a rectangular limestone matrix containing another detailed trilobite impression, a light limestone fragment with a crinoid columnal stem, and a small trilobite specimen encased in a clear resin block for study and display. Size of shale matrix: 5" L x 4.25" W (12.7 cm x 10.8 cm); trilobite: 1.25" L x 1" W (3.2 cm x 2.5 cm)

Provenance: private Colorado, USA collection; ex-Keystone Auctions, York, Pennsylvania, USA

All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back.

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#198054

  • Condition: Resin is chipped and scratched. All specimens are intact with well-preserved fossil impressions and natural surface wear consistent with age and excavation. Minor chipping and edge irregularities to the shale and limestone matrices are present but stable.

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Shipping

Auction House will ship, at Buyer's expense

February 8, 2026 10:00 AM MST
Louisville, CO, US

Artemis Fine Arts

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Bid Increments
From: To: Increments:
$0 $299 $25
$300 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $20,000