4.3" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Geode and it probably possessed a

and it probably possessed a good sense of hearing

expertly swimming with long

and small amounts of metallic phases may also be present

and another hypothesis is that it acted as an air reservoir enabling sound production

4.3" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Geode and it probably possessed aLocation: Michigan, United States Weight: 2. 1 Ounces Dimensions: 4. 3 Inches Long, 1. 4 Inches Wide, 0. 4 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stones are unique rocks and fossils, specifically the fossilized rugose coral Hexagonaria percarinata. Typically pebble shaped, these stones are found mainly in the northwestern and northeastern regions of Michigan's Lower Peninsula. They are