**First Time At Auction**

Ancient Seas, United States, Wyoming, Lincoln County, Green River Formation, Eocene Period, ca. 56 to 33.9 Million years ago. A wonderful group of 5 prehistoric Knightia fish fossilized within a large stone matrix! The fish have developed a caramel brown hue during the fossilization process, and their spines, fins, and the distinctive curved line of the operculum gill cover, are well preserved. Knightia are an extinct species of freshwater fish that resembled modern day herrings or sardines. These fish were abundant in schools across North America and Asia, which is why many fossils contain several fish as seen here. Size: 10.5" L x .5" W x 8.125" H (26.7 cm x 1.3 cm x 20.6 cm)

Provenance: ex-Stein collection, Bloomfield Hills, Michigan, USA, acquired prior to 2010

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#164694

Fish are well preserved with nice details. Loss to tail tip of fish at far right edge, and stone matrix has losses in this area on the verso layers.