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Wyoming State Fossil

Photo of knightia fossil by Aldo Cavini Benedetti on Flickr; noncommercial use permitted with attribution | share alike.

Official State Fossil of Wyoming

Knightia was designated the official state fossil of Wyoming in 1987 (Wyoming also recognizes an official state dinosaur, adopted in 1994). All State Fossils

An extinct genus of fish, knightia is well-known from the abundant fossils found in the Green River Formation of Wyoming. They were schooling fish and consequently knightia fossils are frequently found in a mass.