3.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Picture Jasper Evidence of interaction includes puncture

Evidence of interaction includes puncture wounds on Onchopristis rostra and even barbs embedded in spinosaurid jaws

calcite-reinforced exoskeletons made them ideal candidates for fossilization

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

This dominance shaped prehistoric marine ecosystems

3.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Picture Jasper Evidence of interaction includes punctureLocation: 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,