#704 Fossil Fish Mass Extinction**
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From Wyoming. 21" x 28". Approx. 75 fish on this plate. This is a beautiful mass mortality plate of the fossil fish Knightia eocaena from the Green River Formation of Wyoming.Knightia is an extinct genus of schooling, ray-finned, spindle-shaped, bony fish that shares a family with herrings and sardines. They lived in the freshwater (lacustrine) environments of North America and were eaten by just about everything that was bigger.*-