3.6" Thamnopora SP Coral Fossil Coral Reef Devonian Age Verde Valley, Arizona Nigricans trilobites occupied a vast range

trilobites occupied a vast range of ecological niches

Variations in mineral chemistry

This refined petrified wood specimen from Madagascar captures a pivotal moment in geological history when volcanic catastrophe became the architect of preservation

Vanadinite combines exceptional coloration

The posterior pygidium forms the tail region

3.6" Thamnopora SP Coral Fossil Coral Reef Devonian Age Verde Valley, Arizona Nigricans trilobites occupied a vast rangeLocation: Martin Formation, Verde Valley, Arizona, United States Weight: 8 Ounces Dimensions: 3. 6 Inches Long, 2. 4 Inches Wide, 2. 3 Inches Thick Devonian Age 380 Million Years Old The item pictured is the one you will receive. Thamnopora SP Fossil Coral Around 410 million years ago, during the Devonian period, corals re emerged and began building the first large reef systems. These early reefs were bustling underwater communities, primarily formed