3.8" Maiasaura Hadrosaur Dinosaur Rib Bone Fossil Two Medicine FM Montana COA Amethyst Species within the genus Paralenorthis

Species within the genus Paralenorthis display characteristic features of rhynchonellid brachiopods

This crest was also hollow

it sported a striking flat

These fossil clams are easily recognized by their unique shell shape and the presence of three to four cardinal teeth on each valve

Preserved in the renowned Green River Formation of southwestern Wyoming

3.8" Maiasaura Hadrosaur Dinosaur Rib Bone Fossil Two Medicine FM Montana COA Amethyst Species within the genus ParalenorthisLocation: Two Medicine Formation, Montana (Private Land Origin) Weight: 3. 7 Ounces Dimensions: 3. 8 Inches Long, 1. 5 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 was a large herbivorous duck billed dinosaur from the Upper Cretaceous Period, around 65 to 70 million years