Fossil Fish

Buried Treasure Fossils offers a large selection of top quality of fossil fish for sale. Fossil fish from the Green River Formation (US) include Diplomystus, Knightia, Mioplosus, Phareodus, and Priscacara. The Green River Fm. fossil fish are Eocene age and exhibit incredible preservation. We have Green River Fm. fossil fish specimens from the "split fish layer" and superb specimens from the "18" inch layer. We also have fossil fish from Italy and Morocco. Authenticity guaranteed. Have a look.
- Knightia eocaena$95.00
An EXTRA LARGE Knightia fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece! Note - This item weighs 2.2 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.
X456 SIZE: 7-1/4"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$85.00
A Top Quality Diplomystus fish from the 18" layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring from the Eocene age (50 MYA). This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Plate size is 7.5" x 4.75". Authenticity guaranteed. An excellent display piece!
X476 SIZE: 5-7/8"
Note - Adding 22 Green River Fm. Fossil fish in October 2020 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$75.00
A Top Quality Diplomystus fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An excellent display piece!
X469 SIZE: 6-3/4"
Note - Adding 13 Green River Fm. Fossil fish in June 2023 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$75.00
A Top Quality Diplomystus fish from the 18 inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X471 SIZE: 5-5/8" Plate size: 6.25" x 5.75"
Note - Adding 12 Green River Fm. Fossil fish in November 2023 --> Link to Fossil Fish
Learn More - Mioplosus labracoides$75.00
A Top Quality, Mioplosus fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece!
X495 SIZE: 4-7/8"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$75.00
A LARGE, Top Quality Diplomystus fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Fossil Lake deposit. These fossil fish are exceptionally preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X477 SIZE: 6"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$65.00
A LARGE Top Quality Diplomystus fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Lake Gosiute deposit. These fossil fish are nicely preserved fossils. Note - this matrix had a crack along a layer that was stabilzed. Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. A fantastic display piece!
X466 SIZE: 7-1/4"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
Learn More - Knightia eocaena$50.00
A LARGE Knightia fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X454 SIZE: 4-7/8"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
Learn More - Diplomystus dentatus$40.00
A Top Quality Diplomystus fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring fish from the Eocene age (50 MYA) in the ancient Fossil Lake deposit. These fossil fish are exceptionally preserved fossils. Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X479d SIZE: 3-3/8"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Satericthys sp.$37.50
A TOP QUALITY Satericthys sp. fish from Morocco. The Satericthys sp. is 1-3/4" in length. Incredible detail. Excellent preservation and incredible preparation. This is a Cretaceous specimen from Taouz, Morocco. Rare specimen! A top quality collector's piece.
MX490 SIZE: 1-3/4"
Learn More - Diplomystus dentatus$35.00
A Diplomystus fish from the Split-fish layer, Green River Fm., Lincoln Co. Wyoming. The Diplomystus dentatus is a Herring from the Eocene age (50 MYA). Very good preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X464 SIZE: 4"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
Learn More - Knightia eocaena$35.00
A Knightia fish from the Split-fish layer, Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). Excellent preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece!
X460 SIZE: 4-1/4"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
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