4.4" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Deinotherium alligators (2 species)

alligators (2 species)

When you compare this to the twenty or so eggs in each Hypacrosaurus nest

Etherellidae (Permian)

and lifestyle

4.4" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Deinotherium alligators (2 species)Location: Michigan, United States Weight: 3. 8 Ounces Dimensions: 4. 4 Inches Long, 3. 8 Inches Wide, 0. 2 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stones are unique rocks that also serve as fossils, specifically of the rugose coral Hexagonaria percarinata. Typically pebble shaped, these stones are found primarily in the northwestern and northeastern regions of Michigans Lower Peninsula.