2.1" Hypacrosaurus Dinosaur Fossil Vertebrae Process Two Medicine FM Montana COA Ankle ~410 million years ago (Devonian

~410 million years ago (Devonian Period):Corals re-emerged and formed their first extensive reef systems

adding to its extraordinary appeal

Its controversial classification continues to spark discussion

This remarkable specimen represents Hexagonaria percarinata

2.1" Hypacrosaurus Dinosaur Fossil Vertebrae Process Two Medicine FM Montana COA Ankle ~410 million years ago (DevonianLocation: Two Medicine Formation, Montana (Private Land Origin) Weight: 5. 1 Ounces Dimensions: 3. 3 Inches Long, 2. 3 Inches Wide, 1. 8 Inches Thick (Matrix) Fossil Dimensions: 2. 1 Inches Long, 0. 7 Inches Wide, 0. 6 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Hypacrosaurus Dinosaur In the Late Cretaceous world of North America, Hypacrosaurus moved in large herds across floodplains and