4.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Ichthyodectes closely resembling modern species that

closely resembling modern species that inhabit reefs

These finely laminated deposits contain the highest concentration of fossil fish anywhere in the world

Pygidium (tail): Fused segments forming the rear

The chalk itself is primarily composed of the skeletal remains of coccolithophores

Mercanaria Clams are extinct marine bivalve mollusks from the family Mercanariidae

4.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Ichthyodectes closely resembling modern species thatLocation: Speed Quarry, Clark County, Indiana Weight: 4. 6 Ounces Dimensions: 4. 3 Inches Long, 3. 3 Inches Wide, 2 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,