Fossil Plate With Two Extinct Fish a Diplomystus and Knightia

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Fossil Plate With Two Extinct Fish a Diplomystus and Knightia.

This fossil plate features two beautifully preserved extinct fish species, … Read more Fossil Plate With Two Extinct Fish a Diplomystus and Knightia.

This fossil plate features two beautifully preserved extinct fish species, Diplomystus and Knightia, captured together in fine-grained sediment. Dating back approximately 50 million years to the Eocene Epoch, these fish lived in ancient freshwater lakes, most famously those of the Green River Formation.
Knightia is the most abundant fossil fish known, recognizable by its slender body and delicate fin structure, while Diplomystus is rarer and larger, distinguished by its deeper body and pronounced jaw. Their presence on the same plate offers a rare glimpse into prehistoric aquatic ecosystems and predator–prey relationships.
The natural stone matrix highlights fine skeletal details, making this specimen both scientifically significant and visually striking. Ideal for collectors, educators, or display, this fossil plate serves as a tangible window into Earth’s deep past and the life that once thrived beneath ancient waters. See less