5.8" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Femur This evolutionary adaptability allowed ammonites

This evolutionary adaptability allowed ammonites to flourish in a wide range of marine environments for over 300 million years

The anatomical similarities between Hadrosaurus

The central 230 square miles of the lake bed are particularly rich in fossils and feature geological structures such as deltas

56 million years old

5.8" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Femur This evolutionary adaptability allowed ammonitesLocation: 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