3.2" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Leptomeryx These fascinating creatures are part

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

Significance: Early complex life forms

Certain characteristics show that the protocetids were adapting to aquatic life including lack of fusion of the pelvic vertebrae (allowing tail movement) and nostrils that have moved halfway up their snout

This leaf dates from a critical period in Earth’s history

3.2" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Leptomeryx These fascinating creatures are partLocation: 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,