3.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Picture Jasper This dominance shaped prehistoric marine

This dominance shaped prehistoric marine ecosystems

calcite-reinforced exoskeletons made them ideal candidates for fossilization

these remarkable invertebrates diversified into thousands of species and became dominant components of ancient marine ecosystems

This vivid hue results from trace impurities—most notably manganese—within its crystal structure

further supports crystal growth

3.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Picture Jasper This dominance shaped prehistoric marineLocation: Speed Quarry, Clark County, Indiana Weight: 2. 6 Ounces Dimensions: 3. 3 Inches Long, 2. 1 Inches Wide, 1. 7 Inches Thick Middle Devonian Age 380 Million Years Old The item pictured is the one you will receive. Colonial Rugose Fossil Coral (Prismatophyllum Prisma) Dare to own a relic from one of nature's boldest experiments in reef formation. During the Devonian period410 million years agocorals entered the oceans with remarkable force,