Fossil Lake Knightia Fish Fossil from Ancient Wyoming Lakes

Travel back approximately 50 million years to the ancient waters of Fossil Lake, part of the world-famous Green River Formation of Wyoming, USA. During the Eocene Epoch, this vast freshwater lake supported a thriving ecosystem filled with fish, plants, insects, and early prehistoric wildlife. Today, its remarkable geological conditions have made it one of the most important fossil localities on Earth.

This beautifully preserved fossil fish plate captures a stunning snapshot of prehistoric freshwater life, preserving ancient fish within a fine-grained limestone matrix formed over millions of years. The calm, low-oxygen waters at the bottom of Fossil Lake created the perfect conditions for fossilisation, allowing delicate skeletal structures, scales, fins, and intricate details to remain exceptionally well preserved.

Unlike many fossil sites where only scattered fragments are discovered, the Green River Formation is renowned for producing fully articulated fossil fish specimens with extraordinary clarity. Thin alternating layers of organic material and limestone slowly entombed these ancient creatures, protecting them from decay and disturbance while preserving a detailed record of life from the Eocene Epoch.

Carefully unearthed and prepared by skilled fossil experts, this fossil plate is both a scientific treasure and a natural work of art. It offers collectors, educators, and natural history enthusiasts a direct connection to an ancient freshwater ecosystem that existed millions of years before humanity.

Whether displayed as a centrepiece in a fossil collection, an educational specimen, or a striking natural décor piece, this authentic fossil fish plate preserves a breathtaking moment from Earth’s distant past.

The Details You Need

✓ SPECIMEN: Fossil Fish
✓ SPECIES: Knightia eocaena
✓ AGE: Eocene Epoch (Approx. 50 Million Years Old)
✓ FORMATION: Green River Formation
✓ LOCATION: Near Kemmerer, Wyoming, USA

✓ SPECIMEN SIZE: 200mm x 110mm x 14mm Approximately
✓ WEIGHT: 594 grams
✓ PRESERVATION: Natural fossil fish preserved in fine-grained limestone
✓ AUTHENTICITY: Genuine prehistoric freshwater fossil specimen
✓ DISPLAY: Ideal for fossil collections, educational displays, and natural history décor

Bring home a beautifully preserved piece of prehistoric freshwater life and let this extraordinary fossil fish plate become a window into the ancient lakes of the Eocene world.