Knightia Fossil Fish - Green River Fm.
Eocene Era Green River Specimens
Step back into the Eocene epoch with these remarkable natural history specimens. The Green River Formation in Wyoming is world-renowned for yielding some of the most beautifully preserved prehistoric life. We offer a curated selection of the famous Knightia fossil fish, an extinct herring-like species that once thrived in ancient freshwater lakes. The detailed preservation allows you to see delicate structures, making them perfect for educational purposes or as a sophisticated conversation piece for your home or office.
These authentic historical pieces make exceptional gifts for collectors and science enthusiasts alike. Each specimen is guaranteed genuine, ensuring you receive an authentic piece of the fossil record rather than a reproduction. Owning one connects you directly to a time millions of years ago. Add a timeless treasure to your collection or surprise a loved one with a unique artifact that captures the beauty of prehistoric aquatic life in stone.
- Knightia eocaena - Mortality plate$250.00
A Knightia fish mortality plate with five fish from the Green River Fm., Lincoln Co. Wyoming. The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). 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. All natural. Authenticity guaranteed. An exceptional display piece. Note - This item weighs 3.9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.
X451 SIZE: 4" (largest) Plate size: 8.5" x 8.75"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia eocaena - Mortality plate$150.00
A Knightia fish mortality plate with three fish from the Green River Fm., Lincoln Co. Wyoming. 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.The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece. Note - This item weighs 2 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.
X463 SIZE: 4" (largest) Plate size: 7.5" x 5"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia alta$150.00
A sarce, EXTRA LARGE Knightia alta fish from the 18 Inch layer, Green River Fm., Lincoln Co. Wyoming. The Knightia alta is the second Herring-like fish species from the Eocene age (50 MYA). This is a scarce species which has a much thicker body. Exceptional preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece! Note - This item weighs 3 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.
X450 SIZE: 6-3/8"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia eocaena$145.00
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). Exceptional preservation and preparation. No repair or restoration. All natural. Authenticity guaranteed. An excellent display piece! Note - This item weighs 4.5 lbs. An international shipping surcharge may be applied to "Free Shipping". Please inquire for cost.
X455 SIZE: 6-1/2"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia eocaena - Mortality plate$135.00
A Knightia fish mortality plate with three fish from the Green River Fm., Lincoln Co. Wyoming. 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.The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA). Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece. Note - This item weighs 3.9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.
X453 SIZE: 3-1/2" (largest) Plate size: 11" x 9"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia eocaena$125.00
An EXTRA LARGE, Top Quality 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). 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. All natural. Authenticity guaranteed. An excellent display piece. The BEST!
X452 SIZE: 6-1/8"
Note - Adding 27 Green River Fm. Fossil fish in October 2020 --> Link to Fossil Fish
Learn More - 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 - 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$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
Learn More - Knightia eocaena$35.00
Two 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!
X457 SIZE: 3-3/8"
Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish
Learn More - Knightia eocaena$32.50
A 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!
X459 SIZE: 3-3/4"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
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