4.5" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Spine and its neck was curved

and its neck was curved and flexible

Tyrannosaur Tooth Dimensions: 1

and mammals—including the earliest pantolestid

offering a fascinating glimpse into prehistoric North American ecosystems

roaming the frozen grasslands of Europe and northern Asia during the Pleistocene epoch

4.5" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Spine and its neck was curvedLocation: Michigan, United States Weight: 2. 9 Ounces Dimensions: 4. 5 Inches Long, 1. 9 Inches Wide, 0. 3 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stones are unique rocks that are also 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.