1.3" Fossil Turtle Shell Judith River Formation Montana Dinosaur Cretaceous Age Goulmimichthys about 500 square miles of

about 500 square miles of sediment remain

Adults measured up to nine meters long

Weight: 12 Pounds 0

Harder than pure iron yet more fragile

6 million years old

1.3" Fossil Turtle Shell Judith River Formation Montana Dinosaur Cretaceous Age Goulmimichthys about 500 square miles ofLocation: Judith River Formation, Montana Weight: 0. 2 Ounces Dimensions: 1. 3 Inches Long, 0. 6 Inches Wide, 0. 2 Inches Thick The item pictured is the one you will receive. This is a genuine fossil. During the Cretaceous period, which lasted from approximately 145 to 66 million years ago, turtles were already a diverse group of reptiles that had been evolving for millions of years. Turtles are characterized by their bony shell, which acts as a