Fossilized Green River Matrix w/ Palm, Stingray & Fish

North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A stone matrix containing fossilized palm fronds inlaid with a prehistoric fish, Priscacara. The place

North America, Western United States, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A sandstone matrix with the tips of a fossilized palm frond inlaid with prehist

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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

North America, Western United States, Green River Formation, Eocene, ca. 40 million years ago. A pair of fossilized fish, a North American Priscacara in a square, flat matrix, and another unidentified

North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A fabulous and large stone matrix from the "18 inch" layer of the Green River Formation, bearing a fos

North America, Western United States, Wyoming, Green River Formation, Eocene, ca. 40 million years ago. This is a stunning fossilized fish encased in a sandstone matrix: Priscacara, known for its sunf

**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

Framed Diplomystus Fossilized Fish. Middle Eocene fossil fish specimen, Green River formation from Ulrich Quarries near Kemmerer, Wyoming, in an oak frame, 19"h. 20 1/2"w.

A LARGE PREHISTORIC FOSSILIZED GREEN RIVER FORMATION FISH. 92 cm x 64 cm.

Fossilized fish plaque / slab from the Green River Formation, Wyoming. Measures a total of 9" tall x 8" wide x .25" thick. Includes original pamphlet. Condition: small nicks and losses to edges of sla

Fossilized Fish Green River Wyoming

4" Green River Wyoming Fossilized Fish

4" Green River, Wyoming Fossilized Fish

Eocene Period, 58-36 million years BP. A fossil Knightia alta fish in matrix from Wyoming (Green River Formation), USA. 216 grams, 15cm (5 3/4"). Property of a Lincolnshire, UK, gentleman; acquired on

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

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 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, 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

This prehistoric "Cockerellites lips" fish was related to the modern bass and was a predator. The fossil is from 51 million year old Eocene limestone sediments of the Green River Formation of Wyoming.

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, 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

Eocene Period, 58-36 million years B.P. A group of four fossil Knightia sp.(?) fish in a sub-circular sedimentary stone matrix. 184 grams, 15.2 cm (6 in.). From Wyoming (Green River Formation), USA. F

Eocene Period, 58-36 million years B.P. A group of four Knightia sp. fossil fish in three matrices. 176 grams total, 74-97 mm (2 7/8 - 3 7/8 in.). From Wyoming (Green River Formation), USA. From a Lin