Large Fossilized Green River Matrix w/ 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, 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 Period, ca. 53.5 to 48.5 million years ago. A sandstone matrix with the tips of a fossilized palm frond inlaid with prehist

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

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

Bid with Confidence - Trust the Artemis Advantage: - 25+ years’ experience selling ancient and ethnographic art - Ancient items have been legally acquired, and are legal to sell - Accurate descripti

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

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.

A large fossil Knightia alta fish in matrix slab showing fine detail. 815 grams, 22.5cm (9"). From the Pradi Collection, Boston, USA; acquired during the 1980s; from the Green River Formation, Wyoming

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.

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

LARGE GREEN RIVER FOSSIL PLAQUE containing two fish fossils, Knightia eocaena and Priscacara liops, from the Eocene Epoch, with COA from the Green River Stone Company, with wall mount hardware, fossil

4" Green River Wyoming Fossilized Fish

4" Green River, Wyoming Fossilized Fish

Large fossilized Phareodus fish in matrix. Measures 27" at longest point, 17 1/4" at widest, 1 1/2" thickness.

Large Sterling Turquoise Cuff; Weight: 214.0gr; Width: 70-30mm; Three rows of sterling with large 50x45mm oval green w/brown matrix turquoise; Unstamped (ink marked: Sam Begay 1975) (Navajo)

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

Large fish fossil plate from the Green River in Wyoming.

Large fish fossil plate from the Green River in Wyoming. 1.13 pounds.

Large three fish fossil plate from the Green River in Wyoming. 6.5” x 12.25” x .5”. 2.10 pounds.