Mioplosus Fossil Fish - Green River Fm.
Extinct Perch-Like Specimens from Wyoming
The Green River Formation in Wyoming yields some of the finest Eocene specimens known to paleontology. A standout among these is the Mioplosus fossil fish, an extinct perch-like predator distinguished by its double dorsal fins. These fossils exhibit remarkable preservation, revealing intricate details of bone and scales. Because they were solitary hunters, they are less common than other schooling species, making them a prized addition for serious collectors who appreciate the aggressive history of this ancient creature.
Each specimen we offer is guaranteed authentic, ensuring you possess a genuine artifact rather than a replica. These striking stone slabs make exceptional gifts for science enthusiasts or sophisticated decor for any room. By acquiring one of these pieces, you obtain a tangible link to a prehistoric ecosystem. Choose a high-quality fossil today and enjoy the timeless beauty of a predator preserved in stone for millions of years.
- Mioplosus labracoides$145.00
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!
X491 SIZE: 5-9/16" Plate size: 9" x 6.5"
Note - Added 12 Green River Fm. Fossil fish in November 2023. --> Link to Fossil Fish
Learn More - Mioplosus labracoides$135.00
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!
X492 SIZE: 5-3/8" Plate size: 8" x 6"
Note - Added 12 Green River Fm. Fossil fish in November 2023. --> Link to Fossil Fish
Learn More - Mioplosus labracoides$135.00
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! Incredible detail!
X494 SIZE: 5-1/2"
Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish
Learn More - Mioplosus labracoides$120.00
A Top Quality, Mioplosus fish from the 18 inch layer with frame. 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. Museum quality specimen
X490 SIZE: 5-3/8"
Note - Added 17 Green River Fm. Fossil fish in November 2025. --> 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
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