Fossil "Knightia" fish from the Green River formation in Wyoming. These fossils were formed 50 million years ago, during the Eocene period in Southwest Wyoming. Fine grained sediments at the bottom of the lakes preserved millions of fossilized fish.
This fossil fish specimen measures 12.3cm across.
This item belongs to our 1 of 1 collection, meaning that you will receive the exact piece you see in the pictures.