Description
This listing features a Mioplosus labracoides fossil fish from the famous Green River Formation, dating back to the Eocene Period (~50 million years ago). This naturally preserved fossil originates from Kemmerer, Wyoming, USA, one of the world’s most renowned fossil fish sites.
Fossil Information:
- Species: Mioplosus labracoides
- Common Name: Fossil Perch
- Fossil Type: Complete fish fossil
- Geological Formation: Green River Formation
- Age: ~50 million years old (Eocene Period)
- Location: Kemmerer, Wyoming, USA
- Size: See scale reference in photos
- Preservation: Naturally untreated, fine detail of fins, scales, and body structure
Key Features:
✔ 100% genuine and naturally preserved specimen
✔ Beautiful dark fossil contrast against light limestone matrix
✔ Exceptional detail of fin structure, scales, and body outline
✔ Highly sought-after by collectors and ideal for educational display
Authenticity & Certification:
All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The specimen shown in the photos is the exact fossil you will receive.
About Mioplosus labracoides & Its Significance:
Mioplosus labracoides is an extinct predatory fish that thrived in the Eocene lakes of North America. It is closely related to modern perches and pike, featuring long slender bodies, sharp teeth, and a voracious appetite, making it one of the top predators of its ecosystem.
The Green River Formation in Wyoming is world-famous for its exquisite fish fossils, formed in ancient freshwater lakes 50 million years ago. The fine-grained limestone deposits have preserved fossils in extraordinary detail, making these some of the best fossil fish specimens available today.
Why Buy From Us?
This Mioplosus labracoides fossil is part of the Alice Purnell Collection, one of the largest and most respected fossil collections in the world. We specialise in museum-quality fossils, making this a perfect piece for collectors, researchers, and museums.
A stunning, naturally preserved Eocene fish fossil—own a genuine Mioplosus labracoides fossil from the Green River Formation today!





Reviews
There are no reviews yet.