5.1" Maiasaura Hadrosaur Dinosaur Rib Bone In Matrix Fossil Two Medicine FM MT COA Tourmaline Yet early Eocene brontotheres began

Yet early Eocene brontotheres began as dog-sized animals

the lake covered approximately 930 square miles

offering valuable insights into its anatomy

numerous perfectly preserved fossil fish have been recovered from Fossil Lake

5.1" Maiasaura Hadrosaur Dinosaur Rib Bone In Matrix Fossil Two Medicine FM MT COA Tourmaline Yet early Eocene brontotheres beganLocation: Two Medicine Formation, Montana (Private Land Origin) Weight: 8 Pounds 2. 9 Ounces (Matrix) Dimensions: 11. 5 Inches Long, 9. 5 Inches Wide, 2 Inches Thick (Matrix) Rib Dimensions: 5. 1 Inches Long,1. 3 Inches Wide, 9 Inches Thick Comes with a Certificate of Authenticity Comes with a Free Stand. The item pictured is the one you will receive. Cretaceous Age 83 70 Million Years Old. Name: Maiasaura Type: Herbivore Size: 9 meters in length.