Impressive large Detailed Fish Fossil (Diplomystus) from the Green River Formation in Wyoming, 50Heartland Artifact Auctions4.7(879)$24(5 bids)1 day Left
Big Fossilized PRIONOLEPIS CATAPHRACTUS or "Viper Fish" Specimen in its Fossil MatrixWestern Sportsman LLC4.5(81)$130(21 bids)
Big Fossilized KNIGHTIA EOCAENA FISH Specimen in its Fossil MatrixWestern Sportsman LLC4.5(81)$20(2 bids)5 days Left
Green River Formation Fossil Fish Plate – Two Knightia + Back Fossil – WyomingNorth American Artifact Auctions4.7(240)$12(2 bids)Apr 25, 2026
Authentic Fossil Knightia Fish in Matrix from the Green River Formation in WyomingLEAP Auctions4.2(14)$256 days Left
Knightia (Herring) Eocene Fossilized Fish found in the Green River Formation, WyomingNorth American Artifact Auctions4.7(240)$10Apr 25, 2026
