1.3" Lambeosaurus Fossil Rib Bone Judith River FM MT Cretaceous Dinosaur COA Teeth This frill was likely used

This frill was likely used for display or species recognition rather than defense

Of its estimated maximum extent of 930 square miles

shedding light on how young T

Judith River Formation

It has practical uses too—commonly in making cement and mortar—and the clearest calcite crystals have been used in gun sights and polarizing microscopes for studying rocks

1.3" Lambeosaurus Fossil Rib Bone Judith River FM MT Cretaceous Dinosaur COA Teeth This frill was likely usedLocation: Judith River Formation, Eastern Montana (Private Land Origin) Weight: 0. 5 Ounces Dimensions: 1. 3 Inches Long, 1. 2 Inches Wide, 0. 5 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. This is a genuine fossil bone. Cretaceous Age 83. 6 70. 6 million years old. Height: 7 ft. Mass: 2,200 6,600 lbs Eats: Maidenhair tree, Magnolia, Pine Eaten by: Albertosaurus, Gorgosaurus, Daspletosaurus