4.2" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Hastalis These organisms typically inhabit shallow

These organisms typically inhabit shallow marine environments

other polycotylid species such as P

Montana (Private Land Origin)

Pennsylvanian Age

supporting dense subtropical and deciduous forests even near the poles

4.2" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Hastalis These organisms typically inhabit shallowLocation: Michigan, United States Weight: 2. 4 Ounces Dimensions: 4. 2 Inches Long, 1. 7 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 and fossils, specifically fossilized rugose coral known as Hexagonaria percarinata. Typically pebble shaped, these stones are found primarily in the northwestern and northeastern regions of Michigan's Lower Peninsula.