3.2" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Leptomeryx enabling them to filter feed

enabling them to filter feed on plankton and organic particles suspended in seawater

tabulate corals (which formed mounds

These fascinating creatures are part of the class Merostomata and are closely related to modern horseshoe crabs

They first appeared around 521 million years ago during the Early Cambrian period at the start of the Atdabanian stage

Dimensions: 29MM

3.2" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Leptomeryx enabling them to filter feedLocation: Speed Quarry, Clark County, Indiana Weight: 4. 3 Ounces Dimensions: 3. 2 Inches Long, 3. 2 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,