50+ Million Year Old Fish Fossil from the Green River Formation - Kemmerer, Wyoming - Eocene Period

Ancient Mioplosus Fossil of a Fish , Eocene epoch (c. 50 million years old), Green River Formation, Wyoming, alternating brown and white layers, mounted on board, h. 10 in., w. 18 1/2 in., d. 1 1/4 in

New World, Green River Formation, Wyoming, USA, Lower Eocene, ca. 50 million years ago. A well-presented example of a fossilized Diplomystus dentatus, a surface feeding fish often found with the fossi

North America, modern-day Wyoming, Green River Formation, Lower Eocene period, ca. 50 million years ago. A trio of stone-cased fish fossils, including Knightis, Mioplosus Labrocoides, and Priscara. Th

**First Time At Auction** North America, Green River Formation, modern-day Wyoming, Lower Eocene period, ca. 50 million years ago. A pair of small fish that have undergone the process of fossilization

Eocene Period, 58-36 million years BP. A matrix with complete fossil fish Knightia eocaena and a second partial from Warfield's Quarry, Kemmerer, Green River Formation, Wyoming, U.S.A. 688 grams, 20cm

Eocene Period, 58-36 million years BP. A matrix with a complete fossil fish Knightia eocaena from Warfield's Quarry, Kemmerer, Green River Formation, Wyoming, U.S.A. 1.2 kg, 22.5cm (8 3/4"). Property

Eocene Period, 58-36 million years BP. A fossil Mioplosus labracoides fish from Warfield's Quarry, Kemmerer, Green River Formation, Wyoming, USA. 2kg, 29cm (11 1/2"). From the Pradi Collection, Boston

NICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

NICE LOT OF KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

NICE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

NICE DETAILED FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

8" INCREDIBLE LARGE FISH FOSSIL (DIPLOMYSTUS) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS!

INCREDIBLE 8 1/4" X 6 3/16" LARGE FOSSIL FISH PRISCACARA FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

Eocene Period, 58-36 million years BP. A Knightia alta fossil fish from the Eocene period of Wyoming (Green River Formation), USA. 346 grams, 17.5cm (7"). From the Pradi Collection, Boston, USA; acqui

Eocene Period, 58-36 million years BP. A fossil Diplomystus fish from the Green River Formation, Lincoln County, Wyoming, USA. 559 grams, 23cm (9"). From the Pradi Collection, Boston, USA acquired dur

North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A sandstone matrix containing a fossilized leaf inlaid with a fish fossil from the same formation! The

Eocene Period, 58-36 million years BP. A sedimentary matrix with a Knightia alta fossil fish from Wyoming (Green River Formation), USA. 2.2 kg, 31cm (12 1/4"). Property of a Lincolnshire, UK, gentlema

Eocene Period, circa 50 million years B.P. A group of three fossil flies in matrix. 216 grams total, 73-82 mm (2 3/4 - 3 1/4 in.). From the Green River Formation, South Western Wyoming, U.S.A.Collecte

Eocene Period, 58-36 million years BP. A fossil Priscacaraliops sp. fish from the Green River Formation, Lincoln County, Wyoming, USA. 745 grams, 26cm (10 1/4"). From the Pradi Collection, Boston, USA

Eocene Period, 58-36 million years BP. A fossil Priscacaraliops sp. fish from the Green River Formation, Lincoln County, Wyoming, USA. 745 grams, 26cm (10 1/4"). From the Pradi Collection, Boston, USA

Eocene Period, 58-36 million years B.P. A Knightia sp.(?) fossil fish in an irregular matrix. 177 grams, 12.5 cm wide (5 in.). From Wyoming (Green River Formation), USA. From a Lincolnshire, UK, colle

Eocene Period, 56-33 million years B.P. A Knightia alta fossil fish in matrix. 277 grams, 13 x 9.5 cm (5 1/8 x 3 3/4 in.). From Wyoming, Green River Formation, U.S.A.Acquired during the 1980s.From the

Eocene Period, 56-33 million years B.P. A fossil Diplomystus sp. fish in a rectangular matrix. 180 grams, 13 x 9.1 cm (5 1/8 x 3 5/8 in.). From the Green River Formation, Lincoln County, Wyoming, U.S.

Eocene Period, circa 56-33 million years B.P. Knightia alta specimen on a rectangular matrix. 200 grams, 11.7 cm (4 5/8 in.). From Wyoming (Green River Formation), USA. Acquired during 1980s. From the