4.6" Maiasaura Hadrosaur Dinosaur Rib Bone Fossil Two Medicine FM Montana COA Sulfur though their tough-to-reach spots have

though their tough-to-reach spots have kept most curious outsiders away

While the Green River Formation is world-renowned for its exceptionally detailed fish fossils

This beautifully preserved Eugenia americana fossil leaf dates to the early Middle Eocene

It has perfect cleavage along octahedral planes

4.6" Maiasaura Hadrosaur Dinosaur Rib Bone Fossil Two Medicine FM Montana COA Sulfur though their tough-to-reach spots haveLocation: Two Medicine Formation, Montana (Private Land Origin) Weight: 4. 6 Ounces Dimensions: 4. 6 Inches Long, 1. 6 Inches Wide, 0. 8 Inches Thick Comes with a Certificate of Authenticity 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. Maiasaura is a large hadrosaurid dinosaur from the Upper Cretaceous of North America, dated to approximately 6570