These fish are 4 1/2 inches Knightia Alta and 2 1/2 inch Knightia eocaena. With matrix measuring 6 3/4 inches long x 4 7/8 inches wide and cream colored. Comes with the fish story card describing how the fish was fossilized. Beautiful detail.
Specimen in the picture is the specimen you will receive. Personally dug by PaleoJoe and PaleoJen on 8/25/2018 in the Warfield Quarry, Kemmerer Wyoming.
Green River Formation