4.5" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Fluorite This means that Prognathodon specialized

This means that Prognathodon specialized in eating tough-shelled prey items like shellfish

5 million years ago

dating to the Cenomanian stage of the Upper Cretaceous

striking color

Although these horns usually inspire thoughts of rhinos

4.5" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Fluorite This means that Prognathodon specializedLocation: 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.