Fossil Fish Plate – Knightia, Green River Formation, Wyoming, USA

This fossil plate features Knightia eocaena, one of the most abundant and iconic fish species preserved in the Green River Formation. Dating back roughly 50 million years, this specimen captures an entire fish in fine detail, from the delicate fins to the distinctive streamlined body. The soft limestone matrix preserves these fossils with extraordinary clarity, making each piece a natural work of art as well as a scientific treasure.

Knightia is an important species for understanding the ecology of the Eocene lakes of North America, where it served as a primary food source for larger fish. These fossils are both historically significant and highly collectible, prized for their completeness and accessibility to collectors worldwide. This plate makes an excellent addition to any fossil collection, offering a timeless glimpse into life from an ancient subtropical lake system.