4.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Knightia Spinosaurus

Spinosaurus

meaning “plant reptile”—phytosaurs were carnivorous predators

Epidote scores a solid 6 to 7 on the Mohs hardness scale

vast forested landscapes surrounded active volcanic regions across Madagascar

The only real vulnerability was its soft underbelly—if a predator managed to flip it over

4.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Knightia SpinosaurusLocation: Speed Quarry, Clark County, Indiana Weight: 3. 4 Ounces Dimensions: 4. 3 Inches Long, 2. 7 Inches Wide, 1. 1 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,