Fish - Knightia Eocaena - Fossil Quality:Standard Drill Bit Size: 13mm

Drill Bit Size: 13mm

a marine bivalve that lived during the Early Jurassic period approximately 185 million years ago

while corundum of any other color is classified as sapphire

Approximate Weight of 1 Piece: 3g

Thickness: 3mm

Fish - Knightia Eocaena - Fossil Quality:Standard Drill Bit Size: 13mmMined from: Green River Formation, Wyoming, U. S. A. Era: Eocene Epoch Geological Age: Approximately 5052 million years old Description: Knightia eocaena is one of the most well known fossil fish species from the Green River Formation, a series of ancient lake deposits spread across Wyoming, Utah, and Colorado. These small, schooling fish lived in large freshwater lakes during the Eocene, a time when the region had a warm, subtropical climate. Their