53.5 to 48.5 Years Old Green River Wyoming Fish Fossil

53.5 to 48.5 Years Old Green River Wyoming Fish Fossil

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

INCREDIBLE LARGE FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, APPROXIMATELY 48-53 MILLION YEARS OLD!!!

NICE LARGE FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, APPROXIMATELY 48-53 MILLION YEARS OLD!!!

NICE HUGE FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, APPROXIMATELY 48-53 MILLION YEARS OLD!!!

6 1/4" LONG DIPLOMYSTUS FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, 150 MILLION YEARS OLD

6 7/8" LONG KNIGHTIA FISH FOSSIL FROM THE GREEN RIVER FORMATION IN WYOMING, 150 MILLION YEARS OLD

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!

GROUP OF 9 KNIGHTIA & DIPLOMYSTUS FISH FOSSILS FROM THE GREEN RIVER FORMATION IN WYOMING, 150 MILLION YEARS OLD, LONGEST IS 6 1/4" LONG

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

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

**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

A FOSSIL, attributed to the EOCENE (56-33.9 Million Years Old) EPOCH AND THE GREEN RIVER FORMATION, with fish, likely knightia, a leaf, and branch. 10" x 15"

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

INCREDIBLE SHRIMP FOSSIL (BECHLEJA ROSTRATA) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

INCREDIBLE SHRIMP FOSSIL (BECHLEJA ROSTRATA) FROM THE GREEN RIVER FORMATION IN WYOMING, 50 MILLION YEAR OLD FOSSILS

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.

North America, Western United States, Wyoming, Green River Formation, Eocene, ca. 40 million years ago. A pair of well-preserved overlapping Priscacara fish fossils encased in a stone matrix, prepared

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

Green River Formation, Wyoming; Eocene, 37-58 million years ago.A very fine multi-species plate with three large knight and one very large diplomystys from the famed 18 inch layer of the Green River F

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