5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon Imagine the ground trembling beneath

Imagine the ground trembling beneath their weight

Own a specimen that holds tangible evidence of these colossal birds' feeding strategies and their place in Madagascar's ancient ecosystem—a direct connection to understanding how nature's largest avians thrived millions of years ago

possessed comparable shell dimensions and likely sustained itself on gelatinous prey such as jellyfish and other soft-bodied marine fauna

this Zizyphoides Flabellum leaf is both a scientific treasure and a visually striking display piece

Its extraterrestrial origin and optical properties make it a prized specimen for mineralogical collections and scientific study

5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon Imagine the ground trembling beneathLocation: Michigan, United States Weight: 6. 2 Ounces Dimensions: 5. 9 Inches Long, 2. 2 Inches Wide, 1. 1 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stone is a unique rock and fossil, specifically a fossilized rugose coral known as Hexagonaria percarinata. These stones are typically pebble shaped and are found primarily in the northwestern and northeastern regions of Michigan's Lower