5.8" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Troodon and other small aquatic organisms

and other small aquatic organisms

Its diet consisted mainly of grasses and sedges

their bone walls were often very thin

curved horns used for defence

giving them a dark color and dense structure

5.8" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Troodon and other small aquatic organismsLocation: Michigan, United States Weight: 2. 9 Ounces Dimensions: 5. 8 Inches Long, 1. 6 Inches Wide, 0. 3 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stones are remarkable fossils, representing the ancient rugose coral Hexagonaria percarinata. Usually pebble shaped, these stones are primarily found in the northwestern and northeastern parts of Michigan's Lower Peninsula. They are remnants