A FOSSIL FISH
PROBABLY THE GREEN RIVER FORMATION, WYOMING
From the Eocene (circa 50 Mya) the 5-inch specimen in limestone matrix
9 in. (22.5 cm.) long
A FOSSIL FISH
PROBABLY THE GREEN RIVER FORMATION, WYOMING
From the Eocene (circa 50 Mya) the 5-inch specimen in limestone matrix
9 in. (22.5 cm.) long
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