This listing features an exceptional naturally untreated Knightia fossil fish from the world-famous Green River Formation, Warfield Springs, Wyoming, USA. Dating back to the Eocene Period (~50 million years ago), this exquisitely preserved specimen provides an incredible glimpse into the ancient freshwater ecosystems that once flourished in what is now North America.
Knightia eocaena is an extinct herring-like fish that thrived in the vast subtropical lakes of the Eocene. It is one of the most commonly found vertebrate fossils in the world, and specimens like this are highly sought after due to their fine preservation and scientific significance.
✔ Authentic naturally untreated Knightia fossil
✔ Excellent preservation showcasing delicate bone structure and scales
✔ An iconic fossil species from the famous Green River Formation
✔ Ideal for collectors, educators, and enthusiasts
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.
Knightia eocaena is one of the most well-known fossil fish species, often found in exceptionally well-preserved fossil beds of the Green River Formation in Wyoming. The formation represents an ancient freshwater lake system, providing remarkable preservation of Eocene flora and fauna.
Knightia was a small schooling fish, similar to modern herring, and served as a key food source for larger predatory fish like Diplomystus, Lepisosteus (gar), and Mioplosus. Its delicate bones, fins, and scales have been beautifully fossilized in fine-grained limestone, making it an excellent display piece and educational specimen.
This Knightia fossil comes from the Alice Purnell Collection, one of the largest and most respected fossil collections in the world. We specialise in high-quality, museum-grade fossils, ensuring this specimen is an excellent addition to any collection, educational display, or investment in prehistoric history.
A stunning piece of natural history—add a genuine Eocene-era Knightia fossil to your collection today!