4.2" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Rebbachisaurus Tooth vertically oriented shells

vertically oriented shells

Enchodus likely employed quick jaw movements to maneuver the prey’s body effectively

This remarkable Postosuchus tooth captures a slice of Triassic dominance—a relic from when rauisuchids ruled as apex predators across ancient Pangaea

They represent the earliest vertebrates capable of powered flight

15 Inches Thick

4.2" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Rebbachisaurus Tooth vertically oriented shellsLocation: 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.