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Description

Fossil Fish

Fossil Stingray with Fish
Heliobatis radians & Knightia eocaena
Eocene
Green River Formation
Wyoming, USA

An exceptional fossil assemblage featuring a well-preserved stingray (Heliobatis radians) accompanied by three fossil fish (Knightia eocaena), all preserved in fine-grained Limestone from the Eocene Green River Formation of Wyoming. The stingray measures 17 inches (43 cm) in length, with a disc width of 9 inches (23 cm), displaying excellent definition of the fins, tail, and body outline. The associated Knightia specimens provide additional context, evoking the diversity of life that once inhabited this ancient freshwater lake system. A visually balanced and scientifically significant specimen, showcasing the exquisite preservation and compositional harmony for which the Green River Formation is world-renowned.
Overall Measurements: 25.00 x 16.25 x 1.00 inches (63.50 x 41.27 x 2.54 cm)

Provenance: Property of a Distinguished Southern California Collector


More Information: All items are offered "as is." While every effort has been made to accurately describe each lot, certain pieces—particularly fossils, minerals, and carvings—may exhibit minor imperfections, repairs, restorations, or natural wear consistent with age, excavation, or handling. Prospective buyers are encouraged to carefully review photographs and descriptions and to request additional condition information prior to bidding.


Estimate: $2,000 - up.

Condition Report*: Condition report available upon request.
*Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. Heritage does not guarantee the condition of frames and shall not be liable for any damage/scratches to frames, glass/acrylic coverings, original boxes, display accessories, or art that has slipped in frames. All lots are sold "AS IS" under the Terms & Conditions of Auction.

Auction Info

Proxy Bidding Ends 
December
2nd Tuesday 10:50 am CT
Auction Dates
December
2nd Tuesday
Proxy Bidding Time Remaining 
16 Days 21h 26m 49s
Bids + Registered Phone Bidders: 0
Lot Tracking Activity: 41
Page Views: 151

Buyer's Premium per Lot:
25% of the successful bid (minimum $49) per lot.

This lot is in: 1 - Signature® Floor Session - Property of a Distinguished Southern California Collector (Live Floor, Live Phone, Mail, Fax, Internet, and Heritage Live):
(Lots 72001-72187) - 11:00 AM Central Time, Tuesday, December 2, 2025.
[Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live now starts within 2 hours of when the auction opens for proxy bidding and continues through the live session.]

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Additional Location Info:
Heritage Auctions
2801 W. Airport Freeway
Dallas, TX 75261

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** Lots bearing estimates and without Consignor Reserve shall open at Heritage Auctions' discretion (usually 25% to 60% of the low estimate).

Starting Bid:
$1,000
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