2.3" Fossil Beetle Insect Green River Formation Uintah County Utah Eocene Age Troodon became extinct during the Cretaceous-Tertiary

became extinct during the Cretaceous-Tertiary extinction event

belonging to the herring family

reflecting advanced adaptation to its isolated ecosystem

exquisitely preserved fossil fish have been uncovered

2.3" Fossil Beetle Insect Green River Formation Uintah County Utah Eocene Age Troodon became extinct during the Cretaceous-TertiaryLocation: Uintah County, Utah Weight: 0. 9 Ounces Dimensions: 2. 3 Inches Long,1. 8 Inches Wide, 0. 3 Inches Thick (Plate) Insect Dimensions: 0. 2 Inches Long, 0. 2 Inches wide The item pictured is the one you will receive. 50 million years old, Eocene age Beetle Insect Fifty million years ago, Fossil Lake existed in what is now southwest Wyoming. Out of its estimated maximum area of 930 square miles, about 500 square miles of sediment still remain.